128203425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 275855360

約数和(自身を除く): 147651935

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 43, 45, 63, 75, 105, 129, 135, 175, 189, 215, 225, 301, 315, 387, 525, 631, 645, 675, 903, 945, 1075, 1161, 1505, 1575, 1893, 1935, 2709, 3155, 3225, 4417, 4515, 4725, 5679, 5805, 7525, 8127, 9465, 9675, 13251, 13545, 15775, 17037, 22085, 22575, 27133, 28395, 29025, 39753, 40635, 47325, 66255, 67725, 81399, 85185, 110425, 119259, 135665, 141975, 189931, 198765, 203175, 244197, 331275, 406995, 425925, 569793, 596295, 678325, 732591, 949655, 993825, 1220985, 1709379, 2034975, 2848965, 2981475, 3662955, 4748275, 5128137, 6104925, 8546895, 14244825, 18314775, 25640685, 42734475, 128203425]

約数ペア:

[(1, 128203425), (3, 42734475), (5, 25640685), (7, 18314775), (9, 14244825), (15, 8546895), (21, 6104925), (25, 5128137), (27, 4748275), (35, 3662955), (43, 2981475), (45, 2848965), (63, 2034975), (75, 1709379), (105, 1220985), (129, 993825), (135, 949655), (175, 732591), (189, 678325), (215, 596295), (225, 569793), (301, 425925), (315, 406995), (387, 331275), (525, 244197), (631, 203175), (645, 198765), (675, 189931), (903, 141975), (945, 135665), (1075, 119259), (1161, 110425), (1505, 85185), (1575, 81399), (1893, 67725), (1935, 66255), (2709, 47325), (3155, 40635), (3225, 39753), (4417, 29025), (4515, 28395), (4725, 27133), (5679, 22575), (5805, 22085), (7525, 17037), (8127, 15775), (9465, 13545), (9675, 13251)]