289770015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{13691}}^1$

素因数の和:13799

約数の個数: 32

約数和(自身を含む): 496855296

約数和(自身を除く): 207085281

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1245, 1411, 4233, 7055, 13691, 21165, 41073, 68455, 205365, 232747, 698241, 1136353, 1163735, 3409059, 3491205, 5681765, 17045295, 19318001, 57954003, 96590005, 289770015]

約数ペア:

[(1, 289770015), (3, 96590005), (5, 57954003), (15, 19318001), (17, 17045295), (51, 5681765), (83, 3491205), (85, 3409059), (249, 1163735), (255, 1136353), (415, 698241), (1245, 232747), (1411, 205365), (4233, 68455), (7055, 41073), (13691, 21165)]