219718125

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 447381792

約数和(自身を除く): 227663667

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 67, 75, 99, 125, 159, 165, 201, 225, 265, 275, 335, 375, 477, 495, 583, 603, 625, 737, 795, 825, 1005, 1125, 1325, 1375, 1675, 1749, 1875, 2211, 2385, 2475, 2915, 3015, 3551, 3685, 3975, 4125, 5025, 5247, 5625, 6625, 6633, 6875, 8375, 8745, 10653, 11055, 11925, 12375, 14575, 15075, 17755, 18425, 19875, 20625, 25125, 26235, 31959, 33125, 33165, 39061, 41875, 43725, 53265, 55275, 59625, 61875, 72875, 75375, 88775, 92125, 99375, 117183, 125625, 131175, 159795, 165825, 195305, 218625, 266325, 276375, 298125, 351549, 364375, 376875, 443875, 460625, 585915, 655875, 798975, 829125, 976525, 1093125, 1331625, 1381875, 1757745, 2219375, 2929575, 3279375, 3994875, 4145625, 4882625, 6658125, 8788725, 14647875, 19974375, 24413125, 43943625, 73239375, 219718125]

約数ペア:

[(1, 219718125), (3, 73239375), (5, 43943625), (9, 24413125), (11, 19974375), (15, 14647875), (25, 8788725), (33, 6658125), (45, 4882625), (53, 4145625), (55, 3994875), (67, 3279375), (75, 2929575), (99, 2219375), (125, 1757745), (159, 1381875), (165, 1331625), (201, 1093125), (225, 976525), (265, 829125), (275, 798975), (335, 655875), (375, 585915), (477, 460625), (495, 443875), (583, 376875), (603, 364375), (625, 351549), (737, 298125), (795, 276375), (825, 266325), (1005, 218625), (1125, 195305), (1325, 165825), (1375, 159795), (1675, 131175), (1749, 125625), (1875, 117183), (2211, 99375), (2385, 92125), (2475, 88775), (2915, 75375), (3015, 72875), (3551, 61875), (3685, 59625), (3975, 55275), (4125, 53265), (5025, 43725), (5247, 41875), (5625, 39061), (6625, 33165), (6633, 33125), (6875, 31959), (8375, 26235), (8745, 25125), (10653, 20625), (11055, 19875), (11925, 18425), (12375, 17755), (14575, 15075)]