380038419

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 571507200

約数和(自身を除く): 191468781

約数列:

[1, 3, 9, 27, 109, 263, 327, 491, 789, 981, 1473, 2367, 2943, 4419, 7101, 13257, 28667, 53519, 86001, 129133, 160557, 258003, 387399, 481671, 774009, 1162197, 1445013, 3486591, 14075497, 42226491, 126679473, 380038419]

約数ペア:

[(1, 380038419), (3, 126679473), (9, 42226491), (27, 14075497), (109, 3486591), (263, 1445013), (327, 1162197), (491, 774009), (789, 481671), (981, 387399), (1473, 258003), (2367, 160557), (2943, 129133), (4419, 86001), (7101, 53519), (13257, 28667)]