8228025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 16587480

約数和(自身を除く): 8359455

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 97, 117, 145, 195, 225, 261, 291, 325, 377, 435, 485, 585, 725, 873, 975, 1131, 1261, 1305, 1455, 1885, 2175, 2425, 2813, 2925, 3393, 3783, 4365, 5655, 6305, 6525, 7275, 8439, 9425, 11349, 14065, 16965, 18915, 21825, 25317, 28275, 31525, 36569, 42195, 56745, 70325, 84825, 94575, 109707, 126585, 182845, 210975, 283725, 329121, 548535, 632925, 914225, 1645605, 2742675, 8228025]

約数ペア:

[(1, 8228025), (3, 2742675), (5, 1645605), (9, 914225), (13, 632925), (15, 548535), (25, 329121), (29, 283725), (39, 210975), (45, 182845), (65, 126585), (75, 109707), (87, 94575), (97, 84825), (117, 70325), (145, 56745), (195, 42195), (225, 36569), (261, 31525), (291, 28275), (325, 25317), (377, 21825), (435, 18915), (485, 16965), (585, 14065), (725, 11349), (873, 9425), (975, 8439), (1131, 7275), (1261, 6525), (1305, 6305), (1455, 5655), (1885, 4365), (2175, 3783), (2425, 3393), (2813, 2925)]