161746995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2539}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 269199360

約数和(自身を除く): 107452365

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 685, 2055, 2539, 4247, 7617, 12695, 12741, 21235, 38085, 63705, 78709, 236127, 347843, 393545, 1043529, 1180635, 1739215, 5217645, 10783133, 32349399, 53915665, 161746995]

約数ペア:

[(1, 161746995), (3, 53915665), (5, 32349399), (15, 10783133), (31, 5217645), (93, 1739215), (137, 1180635), (155, 1043529), (411, 393545), (465, 347843), (685, 236127), (2055, 78709), (2539, 63705), (4247, 38085), (7617, 21235), (12695, 12741)]