88781637

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 139087872

約数和(自身を除く): 50306235

約数列:

[1, 3, 7, 21, 47, 141, 293, 307, 329, 879, 921, 987, 2051, 2149, 6153, 6447, 13771, 14429, 41313, 43287, 89951, 96397, 101003, 269853, 289191, 303009, 629657, 1888971, 4227697, 12683091, 29593879, 88781637]

約数ペア:

[(1, 88781637), (3, 29593879), (7, 12683091), (21, 4227697), (47, 1888971), (141, 629657), (293, 303009), (307, 289191), (329, 269853), (879, 101003), (921, 96397), (987, 89951), (2051, 43287), (2149, 41313), (6153, 14429), (6447, 13771)]