127984275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 241413120

約数和(自身を除く): 113428845

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 59, 75, 93, 155, 177, 225, 279, 295, 311, 465, 531, 775, 885, 933, 1395, 1475, 1555, 1829, 2325, 2655, 2799, 4425, 4665, 5487, 6975, 7775, 9145, 9641, 13275, 13995, 16461, 18349, 23325, 27435, 28923, 45725, 48205, 55047, 69975, 82305, 86769, 91745, 137175, 144615, 165141, 241025, 275235, 411525, 433845, 458725, 568819, 723075, 825705, 1376175, 1706457, 2169225, 2844095, 4128525, 5119371, 8532285, 14220475, 25596855, 42661425, 127984275]

約数ペア:

[(1, 127984275), (3, 42661425), (5, 25596855), (9, 14220475), (15, 8532285), (25, 5119371), (31, 4128525), (45, 2844095), (59, 2169225), (75, 1706457), (93, 1376175), (155, 825705), (177, 723075), (225, 568819), (279, 458725), (295, 433845), (311, 411525), (465, 275235), (531, 241025), (775, 165141), (885, 144615), (933, 137175), (1395, 91745), (1475, 86769), (1555, 82305), (1829, 69975), (2325, 55047), (2655, 48205), (2799, 45725), (4425, 28923), (4665, 27435), (5487, 23325), (6975, 18349), (7775, 16461), (9145, 13995), (9641, 13275)]