28939275

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 55454784

約数和(自身を除く): 26515509

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 461, 465, 675, 775, 837, 1383, 1395, 2025, 2305, 2325, 2511, 4149, 4185, 6915, 6975, 11525, 12447, 12555, 14291, 20745, 20925, 34575, 37341, 42873, 62235, 62775, 71455, 103725, 128619, 186705, 214365, 311175, 357275, 385857, 643095, 933525, 1071825, 1157571, 1929285, 3215475, 5787855, 9646425, 28939275]

約数ペア:

[(1, 28939275), (3, 9646425), (5, 5787855), (9, 3215475), (15, 1929285), (25, 1157571), (27, 1071825), (31, 933525), (45, 643095), (75, 385857), (81, 357275), (93, 311175), (135, 214365), (155, 186705), (225, 128619), (279, 103725), (405, 71455), (461, 62775), (465, 62235), (675, 42873), (775, 37341), (837, 34575), (1383, 20925), (1395, 20745), (2025, 14291), (2305, 12555), (2325, 12447), (2511, 11525), (4149, 6975), (4185, 6915)]