205714275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 370080480

約数和(自身を除く): 164366205

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 195, 303, 325, 505, 975, 1313, 1515, 2089, 2525, 3939, 6267, 6565, 7575, 10445, 19695, 27157, 31335, 32825, 52225, 81471, 98475, 135785, 156675, 210989, 407355, 632967, 678925, 1054945, 2036775, 2742857, 3164835, 5274725, 8228571, 13714285, 15824175, 41142855, 68571425, 205714275]

約数ペア:

[(1, 205714275), (3, 68571425), (5, 41142855), (13, 15824175), (15, 13714285), (25, 8228571), (39, 5274725), (65, 3164835), (75, 2742857), (101, 2036775), (195, 1054945), (303, 678925), (325, 632967), (505, 407355), (975, 210989), (1313, 156675), (1515, 135785), (2089, 98475), (2525, 81471), (3939, 52225), (6267, 32825), (6565, 31335), (7575, 27157), (10445, 19695)]