81769875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 152216064

約数和(自身を除く): 70446189

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 125, 129, 165, 215, 275, 375, 461, 473, 645, 825, 1075, 1375, 1383, 1419, 2305, 2365, 3225, 4125, 5071, 5375, 6915, 7095, 11525, 11825, 15213, 16125, 19823, 25355, 34575, 35475, 57625, 59125, 59469, 76065, 99115, 126775, 172875, 177375, 218053, 297345, 380325, 495575, 633875, 654159, 1090265, 1486725, 1901625, 2477875, 3270795, 5451325, 7433625, 16353975, 27256625, 81769875]

約数ペア:

[(1, 81769875), (3, 27256625), (5, 16353975), (11, 7433625), (15, 5451325), (25, 3270795), (33, 2477875), (43, 1901625), (55, 1486725), (75, 1090265), (125, 654159), (129, 633875), (165, 495575), (215, 380325), (275, 297345), (375, 218053), (461, 177375), (473, 172875), (645, 126775), (825, 99115), (1075, 76065), (1375, 59469), (1383, 59125), (1419, 57625), (2305, 35475), (2365, 34575), (3225, 25355), (4125, 19823), (5071, 16125), (5375, 15213), (6915, 11825), (7095, 11525)]