19957563243

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 31198863360

約数和(自身を除く): 11241300117

約数列:

[1, 3, 9, 23, 27, 69, 151, 207, 331, 453, 621, 643, 993, 1359, 1929, 2979, 3473, 4077, 5787, 7613, 8937, 10419, 14789, 17361, 22839, 31257, 44367, 49981, 68517, 93771, 97093, 133101, 149943, 205551, 212833, 291279, 399303, 449829, 638499, 873837, 1149563, 1349487, 1915497, 2233139, 2621511, 3448689, 4895159, 5746491, 6699417, 10346067, 14685477, 20098251, 31038201, 32137783, 44056431, 60294753, 96413349, 132169293, 289240047, 739169009, 867720141, 2217507027, 6652521081, 19957563243]

約数ペア:

[(1, 19957563243), (3, 6652521081), (9, 2217507027), (23, 867720141), (27, 739169009), (69, 289240047), (151, 132169293), (207, 96413349), (331, 60294753), (453, 44056431), (621, 32137783), (643, 31038201), (993, 20098251), (1359, 14685477), (1929, 10346067), (2979, 6699417), (3473, 5746491), (4077, 4895159), (5787, 3448689), (7613, 2621511), (8937, 2233139), (10419, 1915497), (14789, 1349487), (17361, 1149563), (22839, 873837), (31257, 638499), (44367, 449829), (49981, 399303), (68517, 291279), (93771, 212833), (97093, 205551), (133101, 149943)]