1639031517

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1637}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 2511565056

約数和(自身を除く): 872533539

約数列:

[1, 3, 9, 27, 47, 81, 141, 263, 423, 789, 1269, 1637, 2367, 3807, 4911, 7101, 12361, 14733, 21303, 37083, 44199, 76939, 111249, 132597, 230817, 333747, 430531, 692451, 1001241, 1291593, 2077353, 3874779, 6232059, 11624337, 20234957, 34873011, 60704871, 182114613, 546343839, 1639031517]

約数ペア:

[(1, 1639031517), (3, 546343839), (9, 182114613), (27, 60704871), (47, 34873011), (81, 20234957), (141, 11624337), (263, 6232059), (423, 3874779), (789, 2077353), (1269, 1291593), (1637, 1001241), (2367, 692451), (3807, 430531), (4911, 333747), (7101, 230817), (12361, 132597), (14733, 111249), (21303, 76939), (37083, 44199)]