207925311

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 318038112

約数和(自身を除く): 110112801

約数列:

[1, 3, 11, 33, 37, 111, 113, 121, 137, 339, 363, 407, 411, 1221, 1243, 1507, 3729, 4181, 4477, 4521, 5069, 12543, 13431, 13673, 15207, 15481, 16577, 41019, 45991, 46443, 49731, 55759, 137973, 167277, 170291, 505901, 510873, 572797, 613349, 1517703, 1718391, 1840047, 1873201, 5619603, 6300767, 18902301, 69308437, 207925311]

約数ペア:

[(1, 207925311), (3, 69308437), (11, 18902301), (33, 6300767), (37, 5619603), (111, 1873201), (113, 1840047), (121, 1718391), (137, 1517703), (339, 613349), (363, 572797), (407, 510873), (411, 505901), (1221, 170291), (1243, 167277), (1507, 137973), (3729, 55759), (4181, 49731), (4477, 46443), (4521, 45991), (5069, 41019), (12543, 16577), (13431, 15481), (13673, 15207)]