55787895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 103334400

約数和(自身を除く): 47546505

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 639, 855, 919, 1065, 1349, 2757, 3195, 4047, 4595, 6745, 8271, 12141, 13785, 17461, 20235, 41355, 52383, 60705, 65249, 87305, 157149, 195747, 261915, 326245, 587241, 785745, 978735, 1239731, 2936205, 3719193, 6198655, 11157579, 18595965, 55787895]

約数ペア:

[(1, 55787895), (3, 18595965), (5, 11157579), (9, 6198655), (15, 3719193), (19, 2936205), (45, 1239731), (57, 978735), (71, 785745), (95, 587241), (171, 326245), (213, 261915), (285, 195747), (355, 157149), (639, 87305), (855, 65249), (919, 60705), (1065, 52383), (1349, 41355), (2757, 20235), (3195, 17461), (4047, 13785), (4595, 12141), (6745, 8271)]