864921159

素因数分解:

$3^4\times {\mathrm{1213}}^1\times {\mathrm{8803}}^1$

素因数の和:10028

約数の個数: 20

約数和(自身を含む): 1293254776

約数和(自身を除く): 428333617

約数列:

[1, 3, 9, 27, 81, 1213, 3639, 8803, 10917, 26409, 32751, 79227, 98253, 237681, 713043, 10678039, 32034117, 96102351, 288307053, 864921159]

約数ペア:

[(1, 864921159), (3, 288307053), (9, 96102351), (27, 32034117), (81, 10678039), (1213, 713043), (3639, 237681), (8803, 98253), (10917, 79227), (26409, 32751)]