42939585

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 84268800

約数和(自身を除く): 41329215

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 117, 129, 135, 195, 215, 351, 387, 559, 569, 585, 645, 1161, 1677, 1707, 1755, 1935, 2795, 2845, 5031, 5121, 5805, 7397, 8385, 8535, 15093, 15363, 22191, 24467, 25155, 25605, 36985, 66573, 73401, 75465, 76815, 110955, 122335, 199719, 220203, 318071, 332865, 367005, 660609, 954213, 998595, 1101015, 1590355, 2862639, 3303045, 4771065, 8587917, 14313195, 42939585]

約数ペア:

[(1, 42939585), (3, 14313195), (5, 8587917), (9, 4771065), (13, 3303045), (15, 2862639), (27, 1590355), (39, 1101015), (43, 998595), (45, 954213), (65, 660609), (117, 367005), (129, 332865), (135, 318071), (195, 220203), (215, 199719), (351, 122335), (387, 110955), (559, 76815), (569, 75465), (585, 73401), (645, 66573), (1161, 36985), (1677, 25605), (1707, 25155), (1755, 24467), (1935, 22191), (2795, 15363), (2845, 15093), (5031, 8535), (5121, 8385), (5805, 7397)]