186156675

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 347263488

約数和(自身を除く): 161106813

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 71, 75, 129, 213, 215, 225, 271, 355, 387, 639, 645, 813, 1065, 1075, 1355, 1775, 1935, 2439, 3053, 3195, 3225, 4065, 5325, 6775, 9159, 9675, 11653, 12195, 15265, 15975, 19241, 20325, 27477, 34959, 45795, 57723, 58265, 60975, 76325, 96205, 104877, 137385, 173169, 174795, 228975, 288615, 291325, 481025, 524385, 686925, 827363, 865845, 873975, 1443075, 2482089, 2621925, 4136815, 4329225, 7446267, 12410445, 20684075, 37231335, 62052225, 186156675]

約数ペア:

[(1, 186156675), (3, 62052225), (5, 37231335), (9, 20684075), (15, 12410445), (25, 7446267), (43, 4329225), (45, 4136815), (71, 2621925), (75, 2482089), (129, 1443075), (213, 873975), (215, 865845), (225, 827363), (271, 686925), (355, 524385), (387, 481025), (639, 291325), (645, 288615), (813, 228975), (1065, 174795), (1075, 173169), (1355, 137385), (1775, 104877), (1935, 96205), (2439, 76325), (3053, 60975), (3195, 58265), (3225, 57723), (4065, 45795), (5325, 34959), (6775, 27477), (9159, 20325), (9675, 19241), (11653, 15975), (12195, 15265)]