72198135

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 130941360

約数和(自身を除く): 58743225

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 2003, 2403, 4005, 6009, 7209, 10015, 12015, 18027, 30045, 36045, 54081, 90135, 162243, 178267, 270405, 534801, 811215, 891335, 1604403, 2674005, 4813209, 8022015, 14439627, 24066045, 72198135]

約数ペア:

[(1, 72198135), (3, 24066045), (5, 14439627), (9, 8022015), (15, 4813209), (27, 2674005), (45, 1604403), (81, 891335), (89, 811215), (135, 534801), (267, 270405), (405, 178267), (445, 162243), (801, 90135), (1335, 54081), (2003, 36045), (2403, 30045), (4005, 18027), (6009, 12015), (7209, 10015)]