678741825

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 1145301696

約数和(自身を除く): 466559871

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 293, 335, 461, 879, 1005, 1383, 1465, 1675, 2305, 4395, 5025, 6915, 7325, 11525, 19631, 21975, 30887, 34575, 58893, 92661, 98155, 135073, 154435, 294465, 405219, 463305, 490775, 675365, 772175, 1472325, 2026095, 2316525, 3376825, 9049891, 10130475, 27149673, 45249455, 135748365, 226247275, 678741825]

約数ペア:

[(1, 678741825), (3, 226247275), (5, 135748365), (15, 45249455), (25, 27149673), (67, 10130475), (75, 9049891), (201, 3376825), (293, 2316525), (335, 2026095), (461, 1472325), (879, 772175), (1005, 675365), (1383, 490775), (1465, 463305), (1675, 405219), (2305, 294465), (4395, 154435), (5025, 135073), (6915, 98155), (7325, 92661), (11525, 58893), (19631, 34575), (21975, 30887)]