39920985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 81755520

約数和(自身を除く): 41834535

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 43, 45, 65, 69, 115, 117, 129, 135, 195, 207, 215, 299, 345, 351, 387, 529, 559, 585, 621, 645, 897, 989, 1035, 1161, 1495, 1587, 1677, 1755, 1935, 2645, 2691, 2795, 2967, 3105, 4485, 4761, 4945, 5031, 5805, 6877, 7935, 8073, 8385, 8901, 12857, 13455, 14283, 14835, 15093, 20631, 22747, 23805, 25155, 26703, 34385, 38571, 40365, 44505, 61893, 64285, 68241, 71415, 75465, 103155, 113735, 115713, 133515, 185679, 192855, 204723, 295711, 309465, 341205, 347139, 578565, 614169, 887133, 928395, 1023615, 1478555, 1735695, 2661399, 3070845, 4435665, 7984197, 13306995, 39920985]

約数ペア:

[(1, 39920985), (3, 13306995), (5, 7984197), (9, 4435665), (13, 3070845), (15, 2661399), (23, 1735695), (27, 1478555), (39, 1023615), (43, 928395), (45, 887133), (65, 614169), (69, 578565), (115, 347139), (117, 341205), (129, 309465), (135, 295711), (195, 204723), (207, 192855), (215, 185679), (299, 133515), (345, 115713), (351, 113735), (387, 103155), (529, 75465), (559, 71415), (585, 68241), (621, 64285), (645, 61893), (897, 44505), (989, 40365), (1035, 38571), (1161, 34385), (1495, 26703), (1587, 25155), (1677, 23805), (1755, 22747), (1935, 20631), (2645, 15093), (2691, 14835), (2795, 14283), (2967, 13455), (3105, 12857), (4485, 8901), (4761, 8385), (4945, 8073), (5031, 7935), (5805, 6877)]