2133990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 5621616

約数和(自身を除く): 3487626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 181, 262, 362, 393, 543, 655, 786, 905, 1086, 1179, 1310, 1629, 1810, 1965, 2358, 2715, 3258, 3930, 5430, 5895, 8145, 11790, 16290, 23711, 47422, 71133, 118555, 142266, 213399, 237110, 355665, 426798, 711330, 1066995, 2133990]

約数ペア:

[(1, 2133990), (2, 1066995), (3, 711330), (5, 426798), (6, 355665), (9, 237110), (10, 213399), (15, 142266), (18, 118555), (30, 71133), (45, 47422), (90, 23711), (131, 16290), (181, 11790), (262, 8145), (362, 5895), (393, 5430), (543, 3930), (655, 3258), (786, 2715), (905, 2358), (1086, 1965), (1179, 1810), (1310, 1629)]