164832975

素因数分解:

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

素因数の和:699

約数の個数: 72

約数和(自身を含む): 313785472

約数和(自身を除く): 148952497

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 243, 387, 405, 631, 645, 675, 1075, 1161, 1215, 1893, 1935, 2025, 3155, 3225, 3483, 5679, 5805, 6075, 9465, 9675, 10449, 15775, 17037, 17415, 27133, 28395, 29025, 47325, 51111, 52245, 81399, 85185, 87075, 135665, 141975, 153333, 244197, 255555, 261225, 406995, 425925, 678325, 732591, 766665, 1220985, 1277775, 2034975, 2197773, 3662955, 3833325, 6104925, 6593319, 10988865, 18314775, 32966595, 54944325, 164832975]

約数ペア:

[(1, 164832975), (3, 54944325), (5, 32966595), (9, 18314775), (15, 10988865), (25, 6593319), (27, 6104925), (43, 3833325), (45, 3662955), (75, 2197773), (81, 2034975), (129, 1277775), (135, 1220985), (215, 766665), (225, 732591), (243, 678325), (387, 425925), (405, 406995), (631, 261225), (645, 255555), (675, 244197), (1075, 153333), (1161, 141975), (1215, 135665), (1893, 87075), (1935, 85185), (2025, 81399), (3155, 52245), (3225, 51111), (3483, 47325), (5679, 29025), (5805, 28395), (6075, 27133), (9465, 17415), (9675, 17037), (10449, 15775)]