726775551

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1693

約数の個数: 64

約数和(自身を含む): 1218032640

約数和(自身を除く): 491257089

約数列:

[1, 3, 9, 17, 23, 27, 43, 51, 69, 129, 153, 207, 387, 391, 459, 621, 731, 989, 1161, 1173, 1601, 2193, 2967, 3519, 4803, 6579, 8901, 10557, 14409, 16813, 19737, 26703, 27217, 36823, 43227, 50439, 68843, 81651, 110469, 151317, 206529, 244953, 331407, 453951, 619587, 625991, 734859, 994221, 1170331, 1583389, 1858761, 1877973, 3510993, 4750167, 5633919, 10532979, 14250501, 16901757, 26917613, 31598937, 42751503, 80752839, 242258517, 726775551]

約数ペア:

[(1, 726775551), (3, 242258517), (9, 80752839), (17, 42751503), (23, 31598937), (27, 26917613), (43, 16901757), (51, 14250501), (69, 10532979), (129, 5633919), (153, 4750167), (207, 3510993), (387, 1877973), (391, 1858761), (459, 1583389), (621, 1170331), (731, 994221), (989, 734859), (1161, 625991), (1173, 619587), (1601, 453951), (2193, 331407), (2967, 244953), (3519, 206529), (4803, 151317), (6579, 110469), (8901, 81651), (10557, 68843), (14409, 50439), (16813, 43227), (19737, 36823), (26703, 27217)]