68141775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 123992064

約数和(自身を除く): 55850289

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1487, 1833, 3055, 3525, 4461, 7435, 9165, 15275, 19331, 22305, 37175, 45825, 57993, 69889, 96655, 111525, 209667, 289965, 349445, 483275, 908557, 1048335, 1449825, 1747225, 2725671, 4542785, 5241675, 13628355, 22713925, 68141775]

約数ペア:

[(1, 68141775), (3, 22713925), (5, 13628355), (13, 5241675), (15, 4542785), (25, 2725671), (39, 1747225), (47, 1449825), (65, 1048335), (75, 908557), (141, 483275), (195, 349445), (235, 289965), (325, 209667), (611, 111525), (705, 96655), (975, 69889), (1175, 57993), (1487, 45825), (1833, 37175), (3055, 22305), (3525, 19331), (4461, 15275), (7435, 9165)]