2229975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 4700592

約数和(自身を除く): 2470617

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 53, 55, 75, 85, 99, 153, 159, 165, 187, 225, 255, 265, 275, 425, 477, 495, 561, 583, 765, 795, 825, 901, 935, 1275, 1325, 1683, 1749, 2385, 2475, 2703, 2805, 2915, 3825, 3975, 4505, 4675, 5247, 8109, 8415, 8745, 9911, 11925, 13515, 14025, 14575, 22525, 26235, 29733, 40545, 42075, 43725, 49555, 67575, 89199, 131175, 148665, 202725, 247775, 445995, 743325, 2229975]

約数ペア:

[(1, 2229975), (3, 743325), (5, 445995), (9, 247775), (11, 202725), (15, 148665), (17, 131175), (25, 89199), (33, 67575), (45, 49555), (51, 43725), (53, 42075), (55, 40545), (75, 29733), (85, 26235), (99, 22525), (153, 14575), (159, 14025), (165, 13515), (187, 11925), (225, 9911), (255, 8745), (265, 8415), (275, 8109), (425, 5247), (477, 4675), (495, 4505), (561, 3975), (583, 3825), (765, 2915), (795, 2805), (825, 2703), (901, 2475), (935, 2385), (1275, 1749), (1325, 1683)]