220963731

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 313450560

約数和(自身を除く): 92486829

約数列:

[1, 3, 29, 53, 87, 159, 173, 277, 519, 831, 1537, 4611, 5017, 8033, 9169, 14681, 15051, 24099, 27507, 44043, 47921, 143763, 265901, 425749, 797703, 1277247, 1389709, 2539813, 4169127, 7619439, 73654577, 220963731]

約数ペア:

[(1, 220963731), (3, 73654577), (29, 7619439), (53, 4169127), (87, 2539813), (159, 1389709), (173, 1277247), (277, 797703), (519, 425749), (831, 265901), (1537, 143763), (4611, 47921), (5017, 44043), (8033, 27507), (9169, 24099), (14681, 15051)]