38891385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 76440000

約数和(自身を除く): 37548615

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3499, 3705, 10497, 11115, 17495, 31491, 45487, 52485, 66481, 136461, 157455, 199443, 227435, 332405, 409383, 598329, 682305, 864253, 997215, 2046915, 2592759, 2991645, 4321265, 7778277, 12963795, 38891385]

約数ペア:

[(1, 38891385), (3, 12963795), (5, 7778277), (9, 4321265), (13, 2991645), (15, 2592759), (19, 2046915), (39, 997215), (45, 864253), (57, 682305), (65, 598329), (95, 409383), (117, 332405), (171, 227435), (195, 199443), (247, 157455), (285, 136461), (585, 66481), (741, 52485), (855, 45487), (1235, 31491), (2223, 17495), (3499, 11115), (3705, 10497)]