129758715

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 233865216

約数和(自身を除く): 104106501

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 191, 279, 465, 487, 573, 955, 1395, 1461, 1719, 2435, 2865, 4383, 5921, 7305, 8595, 15097, 17763, 21915, 29605, 45291, 53289, 75485, 88815, 93017, 135873, 226455, 266445, 279051, 465085, 679365, 837153, 1395255, 2883527, 4185765, 8650581, 14417635, 25951743, 43252905, 129758715]

約数ペア:

[(1, 129758715), (3, 43252905), (5, 25951743), (9, 14417635), (15, 8650581), (31, 4185765), (45, 2883527), (93, 1395255), (155, 837153), (191, 679365), (279, 465085), (465, 279051), (487, 266445), (573, 226455), (955, 135873), (1395, 93017), (1461, 88815), (1719, 75485), (2435, 53289), (2865, 45291), (4383, 29605), (5921, 21915), (7305, 17763), (8595, 15097)]