1891036751925

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{2142029}}^1$

素因数の和:2142270

約数の個数: 48

約数和(自身を含む): 3187340640000

約数和(自身を除く): 1296303888075

約数列:

[1, 3, 5, 15, 25, 75, 79, 149, 237, 395, 447, 745, 1185, 1975, 2235, 3725, 5925, 11175, 11771, 35313, 58855, 176565, 294275, 882825, 2142029, 6426087, 10710145, 32130435, 53550725, 160652175, 169220291, 319162321, 507660873, 846101455, 957486963, 1595811605, 2538304365, 4230507275, 4787434815, 7979058025, 12691521825, 23937174075, 25213823359, 75641470077, 126069116795, 378207350385, 630345583975, 1891036751925]

約数ペア:

[(1, 1891036751925), (3, 630345583975), (5, 378207350385), (15, 126069116795), (25, 75641470077), (75, 25213823359), (79, 23937174075), (149, 12691521825), (237, 7979058025), (395, 4787434815), (447, 4230507275), (745, 2538304365), (1185, 1595811605), (1975, 957486963), (2235, 846101455), (3725, 507660873), (5925, 319162321), (11175, 169220291), (11771, 160652175), (35313, 53550725), (58855, 32130435), (176565, 10710145), (294275, 6426087), (882825, 2142029)]