20090415

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 33048000

約数和(自身を除く): 12957585

約数列:

[1, 3, 5, 15, 89, 101, 149, 267, 303, 445, 447, 505, 745, 1335, 1515, 2235, 8989, 13261, 15049, 26967, 39783, 44945, 45147, 66305, 75245, 134835, 198915, 225735, 1339361, 4018083, 6696805, 20090415]

約数ペア:

[(1, 20090415), (3, 6696805), (5, 4018083), (15, 1339361), (89, 225735), (101, 198915), (149, 134835), (267, 75245), (303, 66305), (445, 45147), (447, 44945), (505, 39783), (745, 26967), (1335, 15049), (1515, 13261), (2235, 8989)]