72688905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 130712400

約数和(自身を除く): 58023495

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 149, 185, 293, 333, 447, 555, 745, 879, 1341, 1465, 1665, 2235, 2637, 4395, 5513, 6705, 10841, 13185, 16539, 27565, 32523, 43657, 49617, 54205, 82695, 97569, 130971, 162615, 218285, 248085, 392913, 487845, 654855, 1615309, 1964565, 4845927, 8076545, 14537781, 24229635, 72688905]

約数ペア:

[(1, 72688905), (3, 24229635), (5, 14537781), (9, 8076545), (15, 4845927), (37, 1964565), (45, 1615309), (111, 654855), (149, 487845), (185, 392913), (293, 248085), (333, 218285), (447, 162615), (555, 130971), (745, 97569), (879, 82695), (1341, 54205), (1465, 49617), (1665, 43657), (2235, 32523), (2637, 27565), (4395, 16539), (5513, 13185), (6705, 10841)]