398412279

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 633544704

約数和(自身を除く): 235132425

約数列:

[1, 3, 9, 23, 31, 47, 69, 93, 141, 207, 279, 423, 713, 1081, 1321, 1457, 2139, 3243, 3963, 4371, 6417, 9729, 11889, 13113, 30383, 33511, 40951, 62087, 91149, 100533, 122853, 186261, 273447, 301599, 368559, 558783, 941873, 1428001, 1924697, 2825619, 4284003, 5774091, 8476857, 12852009, 17322273, 44268031, 132804093, 398412279]

約数ペア:

[(1, 398412279), (3, 132804093), (9, 44268031), (23, 17322273), (31, 12852009), (47, 8476857), (69, 5774091), (93, 4284003), (141, 2825619), (207, 1924697), (279, 1428001), (423, 941873), (713, 558783), (1081, 368559), (1321, 301599), (1457, 273447), (2139, 186261), (3243, 122853), (3963, 100533), (4371, 91149), (6417, 62087), (9729, 40951), (11889, 33511), (13113, 30383)]