31481942193

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{490121}}^1$

素因数の和:490207

約数の個数: 40

約数和(自身を含む): 51476533416

約数和(自身を除く): 19994591223

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 351, 549, 793, 1053, 1647, 2379, 4941, 7137, 21411, 64233, 490121, 1470363, 4411089, 6371573, 13233267, 19114719, 29897381, 39699801, 57344157, 89692143, 172032471, 269076429, 388665953, 516097413, 807229287, 1165997859, 2421687861, 3497993577, 10493980731, 31481942193]

約数ペア:

[(1, 31481942193), (3, 10493980731), (9, 3497993577), (13, 2421687861), (27, 1165997859), (39, 807229287), (61, 516097413), (81, 388665953), (117, 269076429), (183, 172032471), (351, 89692143), (549, 57344157), (793, 39699801), (1053, 29897381), (1647, 19114719), (2379, 13233267), (4941, 6371573), (7137, 4411089), (21411, 1470363), (64233, 490121)]