66897993

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 94902528

約数和(自身を除く): 28004535

約数列:

[1, 3, 19, 57, 223, 277, 361, 669, 831, 1083, 4237, 5263, 12711, 15789, 61771, 80503, 99997, 185313, 241509, 299991, 1173649, 3520947, 22299331, 66897993]

約数ペア:

[(1, 66897993), (3, 22299331), (19, 3520947), (57, 1173649), (223, 299991), (277, 241509), (361, 185313), (669, 99997), (831, 80503), (1083, 61771), (4237, 15789), (5263, 12711)]