128530563

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 203675136

約数和(自身を除く): 75144573

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 581, 777, 1743, 1993, 3071, 5979, 9213, 13951, 21497, 41853, 64491, 73741, 165419, 221223, 496257, 516187, 1157933, 1548561, 3473799, 6120503, 18361509, 42843521, 128530563]

約数ペア:

[(1, 128530563), (3, 42843521), (7, 18361509), (21, 6120503), (37, 3473799), (83, 1548561), (111, 1157933), (249, 516187), (259, 496257), (581, 221223), (777, 165419), (1743, 73741), (1993, 64491), (3071, 41853), (5979, 21497), (9213, 13951)]