156777525

素因数分解:

$3^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 294918624

約数和(自身を除く): 138141099

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 131, 135, 197, 225, 243, 393, 405, 591, 655, 675, 985, 1179, 1215, 1773, 1965, 2025, 2955, 3275, 3537, 4925, 5319, 5895, 6075, 8865, 9825, 10611, 14775, 15957, 17685, 25807, 26595, 29475, 31833, 44325, 47871, 53055, 77421, 79785, 88425, 129035, 132975, 159165, 232263, 239355, 265275, 387105, 398925, 645175, 696789, 795825, 1161315, 1196775, 1935525, 2090367, 3483945, 5806575, 6271101, 10451835, 17419725, 31355505, 52259175, 156777525]

約数ペア:

[(1, 156777525), (3, 52259175), (5, 31355505), (9, 17419725), (15, 10451835), (25, 6271101), (27, 5806575), (45, 3483945), (75, 2090367), (81, 1935525), (131, 1196775), (135, 1161315), (197, 795825), (225, 696789), (243, 645175), (393, 398925), (405, 387105), (591, 265275), (655, 239355), (675, 232263), (985, 159165), (1179, 132975), (1215, 129035), (1773, 88425), (1965, 79785), (2025, 77421), (2955, 53055), (3275, 47871), (3537, 44325), (4925, 31833), (5319, 29475), (5895, 26595), (6075, 25807), (8865, 17685), (9825, 15957), (10611, 14775)]