61971945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 118947840

約数和(自身を除く): 56975895

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 79, 93, 105, 155, 217, 237, 241, 395, 465, 553, 651, 723, 1085, 1185, 1205, 1659, 1687, 2449, 2765, 3255, 3615, 5061, 7347, 7471, 8295, 8435, 12245, 17143, 19039, 22413, 25305, 36735, 37355, 51429, 52297, 57117, 85715, 95195, 112065, 133273, 156891, 257145, 261485, 285585, 399819, 590209, 666365, 784455, 1770627, 1999095, 2951045, 4131463, 8853135, 12394389, 20657315, 61971945]

約数ペア:

[(1, 61971945), (3, 20657315), (5, 12394389), (7, 8853135), (15, 4131463), (21, 2951045), (31, 1999095), (35, 1770627), (79, 784455), (93, 666365), (105, 590209), (155, 399819), (217, 285585), (237, 261485), (241, 257145), (395, 156891), (465, 133273), (553, 112065), (651, 95195), (723, 85715), (1085, 57117), (1185, 52297), (1205, 51429), (1659, 37355), (1687, 36735), (2449, 25305), (2765, 22413), (3255, 19039), (3615, 17143), (5061, 12245), (7347, 8435), (7471, 8295)]