212912265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 369119232

約数和(自身を除く): 156206967

約数列:

[1, 3, 5, 15, 23, 61, 67, 69, 115, 151, 183, 201, 305, 335, 345, 453, 755, 915, 1005, 1403, 1541, 2265, 3473, 4087, 4209, 4623, 7015, 7705, 9211, 10117, 10419, 12261, 17365, 20435, 21045, 23115, 27633, 30351, 46055, 50585, 52095, 61305, 94001, 138165, 151755, 211853, 232691, 282003, 470005, 617137, 635559, 698073, 1059265, 1163455, 1410015, 1851411, 3085685, 3177795, 3490365, 9257055, 14194151, 42582453, 70970755, 212912265]

約数ペア:

[(1, 212912265), (3, 70970755), (5, 42582453), (15, 14194151), (23, 9257055), (61, 3490365), (67, 3177795), (69, 3085685), (115, 1851411), (151, 1410015), (183, 1163455), (201, 1059265), (305, 698073), (335, 635559), (345, 617137), (453, 470005), (755, 282003), (915, 232691), (1005, 211853), (1403, 151755), (1541, 138165), (2265, 94001), (3473, 61305), (4087, 52095), (4209, 50585), (4623, 46055), (7015, 30351), (7705, 27633), (9211, 23115), (10117, 21045), (10419, 20435), (12261, 17365)]