16181775

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 30698184

約数和(自身を除く): 14516409

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 131, 135, 183, 225, 305, 393, 405, 549, 655, 675, 915, 1179, 1525, 1647, 1965, 2025, 2745, 3275, 3537, 4575, 4941, 5895, 7991, 8235, 9825, 10611, 13725, 17685, 23973, 24705, 29475, 39955, 41175, 53055, 71919, 88425, 119865, 123525, 199775, 215757, 265275, 359595, 599325, 647271, 1078785, 1797975, 3236355, 5393925, 16181775]

約数ペア:

[(1, 16181775), (3, 5393925), (5, 3236355), (9, 1797975), (15, 1078785), (25, 647271), (27, 599325), (45, 359595), (61, 265275), (75, 215757), (81, 199775), (131, 123525), (135, 119865), (183, 88425), (225, 71919), (305, 53055), (393, 41175), (405, 39955), (549, 29475), (655, 24705), (675, 23973), (915, 17685), (1179, 13725), (1525, 10611), (1647, 9825), (1965, 8235), (2025, 7991), (2745, 5895), (3275, 4941), (3537, 4575)]