13013955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 24560640

約数和(自身を除く): 11546685

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 491, 589, 855, 1395, 1473, 1767, 2455, 2945, 4419, 5301, 7365, 8835, 9329, 15221, 22095, 26505, 27987, 45663, 46645, 76105, 83961, 136989, 139935, 228315, 289199, 419805, 684945, 867597, 1445995, 2602791, 4337985, 13013955]

約数ペア:

[(1, 13013955), (3, 4337985), (5, 2602791), (9, 1445995), (15, 867597), (19, 684945), (31, 419805), (45, 289199), (57, 228315), (93, 139935), (95, 136989), (155, 83961), (171, 76105), (279, 46645), (285, 45663), (465, 27987), (491, 26505), (589, 22095), (855, 15221), (1395, 9329), (1473, 8835), (1767, 7365), (2455, 5301), (2945, 4419)]