1333665

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 2482920

約数和(自身を除く): 1149255

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 89, 111, 135, 185, 267, 333, 405, 445, 555, 801, 999, 1335, 1665, 2403, 2997, 3293, 4005, 4995, 7209, 9879, 12015, 14985, 16465, 29637, 36045, 49395, 88911, 148185, 266733, 444555, 1333665]

約数ペア:

[(1, 1333665), (3, 444555), (5, 266733), (9, 148185), (15, 88911), (27, 49395), (37, 36045), (45, 29637), (81, 16465), (89, 14985), (111, 12015), (135, 9879), (185, 7209), (267, 4995), (333, 4005), (405, 3293), (445, 2997), (555, 2403), (801, 1665), (999, 1335)]