207312345

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49537}}^1$

素因数の和:49582

約数の個数: 32

約数和(自身を含む): 380451840

約数和(自身を除く): 173139495

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 49537, 148611, 247685, 445833, 743055, 1337499, 1535647, 2229165, 4606941, 6687495, 7678235, 13820823, 23034705, 41462469, 69104115, 207312345]

約数ペア:

[(1, 207312345), (3, 69104115), (5, 41462469), (9, 23034705), (15, 13820823), (27, 7678235), (31, 6687495), (45, 4606941), (93, 2229165), (135, 1535647), (155, 1337499), (279, 743055), (465, 445833), (837, 247685), (1395, 148611), (4185, 49537)]