31124223

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 52704000

約数和(自身を除く): 21579777

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 169, 171, 247, 351, 359, 507, 513, 741, 1077, 1521, 2223, 3211, 3231, 4563, 4667, 6669, 6821, 9633, 9693, 14001, 20463, 28899, 42003, 60671, 61389, 86697, 88673, 126009, 182013, 184167, 266019, 546039, 798057, 1152749, 1638117, 2394171, 3458247, 10374741, 31124223]

約数ペア:

[(1, 31124223), (3, 10374741), (9, 3458247), (13, 2394171), (19, 1638117), (27, 1152749), (39, 798057), (57, 546039), (117, 266019), (169, 184167), (171, 182013), (247, 126009), (351, 88673), (359, 86697), (507, 61389), (513, 60671), (741, 42003), (1077, 28899), (1521, 20463), (2223, 14001), (3211, 9693), (3231, 9633), (4563, 6821), (4667, 6669)]