80667855

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 144050400

約数和(自身を除く): 63382545

約数列:

[1, 3, 5, 9, 15, 45, 53, 149, 159, 227, 265, 447, 477, 681, 745, 795, 1135, 1341, 2043, 2235, 2385, 3405, 6705, 7897, 10215, 12031, 23691, 33823, 36093, 39485, 60155, 71073, 101469, 108279, 118455, 169115, 180465, 304407, 355365, 507345, 541395, 1522035, 1792619, 5377857, 8963095, 16133571, 26889285, 80667855]

約数ペア:

[(1, 80667855), (3, 26889285), (5, 16133571), (9, 8963095), (15, 5377857), (45, 1792619), (53, 1522035), (149, 541395), (159, 507345), (227, 355365), (265, 304407), (447, 180465), (477, 169115), (681, 118455), (745, 108279), (795, 101469), (1135, 71073), (1341, 60155), (2043, 39485), (2235, 36093), (2385, 33823), (3405, 23691), (6705, 12031), (7897, 10215)]