321967359

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 563481600

約数和(自身を除く): 241514241

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 173, 189, 229, 301, 387, 519, 687, 903, 1161, 1211, 1557, 1603, 2061, 2709, 3633, 4671, 4809, 6183, 7439, 8127, 9847, 10899, 14427, 22317, 29541, 32697, 39617, 43281, 52073, 66951, 68929, 88623, 118851, 156219, 200853, 206787, 265869, 277319, 356553, 468657, 620361, 831957, 1069659, 1405971, 1703531, 1861083, 2495871, 5110593, 7487613, 11924717, 15331779, 35774151, 45995337, 107322453, 321967359]

約数ペア:

[(1, 321967359), (3, 107322453), (7, 45995337), (9, 35774151), (21, 15331779), (27, 11924717), (43, 7487613), (63, 5110593), (129, 2495871), (173, 1861083), (189, 1703531), (229, 1405971), (301, 1069659), (387, 831957), (519, 620361), (687, 468657), (903, 356553), (1161, 277319), (1211, 265869), (1557, 206787), (1603, 200853), (2061, 156219), (2709, 118851), (3633, 88623), (4671, 68929), (4809, 66951), (6183, 52073), (7439, 43281), (8127, 39617), (9847, 32697), (10899, 29541), (14427, 22317)]