247488975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 475282080

約数和(自身を除く): 227793105

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 89, 153, 225, 255, 267, 425, 445, 727, 765, 801, 1275, 1335, 1513, 2181, 2225, 3635, 3825, 4005, 4539, 6543, 6675, 7565, 10905, 12359, 13617, 18175, 20025, 22695, 32715, 37077, 37825, 54525, 61795, 64703, 68085, 111231, 113475, 163575, 185385, 194109, 308975, 323515, 340425, 556155, 582327, 926925, 970545, 1099951, 1617575, 2780775, 2911635, 3299853, 4852725, 5499755, 9899559, 14558175, 16499265, 27498775, 49497795, 82496325, 247488975]

約数ペア:

[(1, 247488975), (3, 82496325), (5, 49497795), (9, 27498775), (15, 16499265), (17, 14558175), (25, 9899559), (45, 5499755), (51, 4852725), (75, 3299853), (85, 2911635), (89, 2780775), (153, 1617575), (225, 1099951), (255, 970545), (267, 926925), (425, 582327), (445, 556155), (727, 340425), (765, 323515), (801, 308975), (1275, 194109), (1335, 185385), (1513, 163575), (2181, 113475), (2225, 111231), (3635, 68085), (3825, 64703), (4005, 61795), (4539, 54525), (6543, 37825), (6675, 37077), (7565, 32715), (10905, 22695), (12359, 20025), (13617, 18175)]