210955875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 382462080

約数和(自身を除く): 171506205

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 125, 195, 325, 327, 375, 397, 545, 975, 1191, 1417, 1625, 1635, 1985, 2725, 4251, 4875, 5161, 5955, 7085, 8175, 9925, 13625, 15483, 21255, 25805, 29775, 35425, 40875, 43273, 49625, 77415, 106275, 129025, 129819, 148875, 177125, 216365, 387075, 531375, 562549, 645125, 649095, 1081825, 1687647, 1935375, 2812745, 3245475, 5409125, 8438235, 14063725, 16227375, 42191175, 70318625, 210955875]

約数ペア:

[(1, 210955875), (3, 70318625), (5, 42191175), (13, 16227375), (15, 14063725), (25, 8438235), (39, 5409125), (65, 3245475), (75, 2812745), (109, 1935375), (125, 1687647), (195, 1081825), (325, 649095), (327, 645125), (375, 562549), (397, 531375), (545, 387075), (975, 216365), (1191, 177125), (1417, 148875), (1625, 129819), (1635, 129025), (1985, 106275), (2725, 77415), (4251, 49625), (4875, 43273), (5161, 40875), (5955, 35425), (7085, 29775), (8175, 25805), (9925, 21255), (13625, 15483)]