31909425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 57853440

約数和(自身を除く): 25944015

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 863, 1275, 1479, 2175, 2465, 2589, 4315, 7395, 12325, 12945, 14671, 21575, 25027, 36975, 44013, 64725, 73355, 75081, 125135, 220065, 366775, 375405, 425459, 625675, 1100325, 1276377, 1877025, 2127295, 6381885, 10636475, 31909425]

約数ペア:

[(1, 31909425), (3, 10636475), (5, 6381885), (15, 2127295), (17, 1877025), (25, 1276377), (29, 1100325), (51, 625675), (75, 425459), (85, 375405), (87, 366775), (145, 220065), (255, 125135), (425, 75081), (435, 73355), (493, 64725), (725, 44013), (863, 36975), (1275, 25027), (1479, 21575), (2175, 14671), (2465, 12945), (2589, 12325), (4315, 7395)]