73640745

素因数分解:

$3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 132640200

約数和(自身を除く): 58999455

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 349, 405, 521, 1047, 1563, 1745, 2605, 3141, 4689, 5235, 7815, 9423, 14067, 15705, 23445, 28269, 42201, 47115, 70335, 141345, 181829, 211005, 545487, 909145, 1636461, 2727435, 4909383, 8182305, 14728149, 24546915, 73640745]

約数ペア:

[(1, 73640745), (3, 24546915), (5, 14728149), (9, 8182305), (15, 4909383), (27, 2727435), (45, 1636461), (81, 909145), (135, 545487), (349, 211005), (405, 181829), (521, 141345), (1047, 70335), (1563, 47115), (1745, 42201), (2605, 28269), (3141, 23445), (4689, 15705), (5235, 14067), (7815, 9423)]