218703075

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 372761856

約数和(自身を除く): 154058781

約数列:

[1, 3, 5, 15, 25, 67, 71, 75, 201, 213, 335, 355, 613, 1005, 1065, 1675, 1775, 1839, 3065, 4757, 5025, 5325, 9195, 14271, 15325, 23785, 41071, 43523, 45975, 71355, 118925, 123213, 130569, 205355, 217615, 356775, 616065, 652845, 1026775, 1088075, 2916041, 3080325, 3264225, 8748123, 14580205, 43740615, 72901025, 218703075]

約数ペア:

[(1, 218703075), (3, 72901025), (5, 43740615), (15, 14580205), (25, 8748123), (67, 3264225), (71, 3080325), (75, 2916041), (201, 1088075), (213, 1026775), (335, 652845), (355, 616065), (613, 356775), (1005, 217615), (1065, 205355), (1675, 130569), (1775, 123213), (1839, 118925), (3065, 71355), (4757, 45975), (5025, 43523), (5325, 41071), (9195, 23785), (14271, 15325)]