61181475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 105540864

約数和(自身を除く): 44359389

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 129, 183, 215, 305, 311, 645, 915, 933, 1075, 1525, 1555, 2623, 3225, 4575, 4665, 7775, 7869, 13115, 13373, 18971, 23325, 39345, 40119, 56913, 65575, 66865, 94855, 196725, 200595, 284565, 334325, 474275, 815753, 1002975, 1422825, 2447259, 4078765, 12236295, 20393825, 61181475]

約数ペア:

[(1, 61181475), (3, 20393825), (5, 12236295), (15, 4078765), (25, 2447259), (43, 1422825), (61, 1002975), (75, 815753), (129, 474275), (183, 334325), (215, 284565), (305, 200595), (311, 196725), (645, 94855), (915, 66865), (933, 65575), (1075, 56913), (1525, 40119), (1555, 39345), (2623, 23325), (3225, 18971), (4575, 13373), (4665, 13115), (7775, 7869)]