61042725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 117031200

約数和(自身を除く): 55988475

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 109, 131, 171, 225, 285, 327, 393, 475, 545, 655, 855, 981, 1179, 1425, 1635, 1965, 2071, 2489, 2725, 3275, 4275, 4905, 5895, 6213, 7467, 8175, 9825, 10355, 12445, 14279, 18639, 22401, 24525, 29475, 31065, 37335, 42837, 51775, 62225, 71395, 93195, 112005, 128511, 155325, 186675, 214185, 271301, 356975, 465975, 560025, 642555, 813903, 1070925, 1356505, 2441709, 3212775, 4069515, 6782525, 12208545, 20347575, 61042725]

約数ペア:

[(1, 61042725), (3, 20347575), (5, 12208545), (9, 6782525), (15, 4069515), (19, 3212775), (25, 2441709), (45, 1356505), (57, 1070925), (75, 813903), (95, 642555), (109, 560025), (131, 465975), (171, 356975), (225, 271301), (285, 214185), (327, 186675), (393, 155325), (475, 128511), (545, 112005), (655, 93195), (855, 71395), (981, 62225), (1179, 51775), (1425, 42837), (1635, 37335), (1965, 31065), (2071, 29475), (2489, 24525), (2725, 22401), (3275, 18639), (4275, 14279), (4905, 12445), (5895, 10355), (6213, 9825), (7467, 8175)]