7647570021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{25771}}^1$

素因数の和:26881

約数の個数: 32

約数和(自身を含む): 12561891328

約数和(自身を除く): 4914321307

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1087, 3261, 7609, 14131, 22827, 25771, 42393, 77313, 98917, 180397, 296751, 335023, 541191, 1005069, 2345161, 7035483, 28013077, 84039231, 196091539, 364170001, 588274617, 1092510003, 2549190007, 7647570021]

約数ペア:

[(1, 7647570021), (3, 2549190007), (7, 1092510003), (13, 588274617), (21, 364170001), (39, 196091539), (91, 84039231), (273, 28013077), (1087, 7035483), (3261, 2345161), (7609, 1005069), (14131, 541191), (22827, 335023), (25771, 296751), (42393, 180397), (77313, 98917)]