72443007

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 57286593

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 197, 273, 449, 591, 819, 1347, 1379, 1773, 2561, 3143, 4041, 4137, 5837, 7683, 9429, 12411, 17511, 17927, 23049, 28287, 40859, 52533, 53781, 88453, 122577, 161343, 265359, 367731, 619171, 796077, 1149889, 1857513, 3449667, 5572539, 8049223, 10349001, 24147669, 72443007]

約数ペア:

[(1, 72443007), (3, 24147669), (7, 10349001), (9, 8049223), (13, 5572539), (21, 3449667), (39, 1857513), (63, 1149889), (91, 796077), (117, 619171), (197, 367731), (273, 265359), (449, 161343), (591, 122577), (819, 88453), (1347, 53781), (1379, 52533), (1773, 40859), (2561, 28287), (3143, 23049), (4041, 17927), (4137, 17511), (5837, 12411), (7683, 9429)]