406462785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{4021}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 681101568

約数和(自身を除く): 274638783

約数列:

[1, 3, 5, 15, 23, 69, 115, 293, 345, 879, 1465, 4021, 4395, 6739, 12063, 20105, 20217, 33695, 60315, 92483, 101085, 277449, 462415, 1178153, 1387245, 3534459, 5890765, 17672295, 27097519, 81292557, 135487595, 406462785]

約数ペア:

[(1, 406462785), (3, 135487595), (5, 81292557), (15, 27097519), (23, 17672295), (69, 5890765), (115, 3534459), (293, 1387245), (345, 1178153), (879, 462415), (1465, 277449), (4021, 101085), (4395, 92483), (6739, 60315), (12063, 33695), (20105, 20217)]