49381425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 93228408

約数和(自身を除く): 43846983

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 53, 75, 101, 123, 159, 205, 225, 265, 303, 369, 477, 505, 615, 795, 909, 1025, 1325, 1515, 1845, 2173, 2385, 2525, 3075, 3975, 4141, 4545, 5353, 6519, 7575, 9225, 10865, 11925, 12423, 16059, 19557, 20705, 22725, 26765, 32595, 37269, 48177, 54325, 62115, 80295, 97785, 103525, 133825, 162975, 186345, 219473, 240885, 310575, 401475, 488925, 658419, 931725, 1097365, 1204425, 1975257, 3292095, 5486825, 9876285, 16460475, 49381425]

約数ペア:

[(1, 49381425), (3, 16460475), (5, 9876285), (9, 5486825), (15, 3292095), (25, 1975257), (41, 1204425), (45, 1097365), (53, 931725), (75, 658419), (101, 488925), (123, 401475), (159, 310575), (205, 240885), (225, 219473), (265, 186345), (303, 162975), (369, 133825), (477, 103525), (505, 97785), (615, 80295), (795, 62115), (909, 54325), (1025, 48177), (1325, 37269), (1515, 32595), (1845, 26765), (2173, 22725), (2385, 20705), (2525, 19557), (3075, 16059), (3975, 12423), (4141, 11925), (4545, 10865), (5353, 9225), (6519, 7575)]