15988833

素因数分解:

$3^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 27622848

約数和(自身を除く): 11634015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 163, 173, 189, 489, 519, 567, 1141, 1211, 1467, 1557, 3423, 3633, 4401, 4671, 10269, 10899, 13203, 14013, 28199, 30807, 32697, 84597, 92421, 98091, 197393, 253791, 592179, 761373, 1776537, 2284119, 5329611, 15988833]

約数ペア:

[(1, 15988833), (3, 5329611), (7, 2284119), (9, 1776537), (21, 761373), (27, 592179), (63, 253791), (81, 197393), (163, 98091), (173, 92421), (189, 84597), (489, 32697), (519, 30807), (567, 28199), (1141, 14013), (1211, 13203), (1467, 10899), (1557, 10269), (3423, 4671), (3633, 4401)]