401740005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{50821}}^1$

素因数の和:50877

約数の個数: 32

約数和(自身を含む): 702563328

約数和(自身を除く): 300823323

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 50821, 152463, 254105, 762315, 863957, 1575451, 2591871, 4319785, 4726353, 7877255, 12959355, 23631765, 26782667, 80348001, 133913335, 401740005]

約数ペア:

[(1, 401740005), (3, 133913335), (5, 80348001), (15, 26782667), (17, 23631765), (31, 12959355), (51, 7877255), (85, 4726353), (93, 4319785), (155, 2591871), (255, 1575451), (465, 863957), (527, 762315), (1581, 254105), (2635, 152463), (7905, 50821)]