27883890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 72760896

約数和(自身を除く): 44877006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 491, 631, 982, 1262, 1473, 1893, 2455, 2946, 3155, 3786, 4419, 4910, 5679, 6310, 7365, 8838, 9465, 11358, 14730, 18930, 22095, 28395, 44190, 56790, 309821, 619642, 929463, 1549105, 1858926, 2788389, 3098210, 4647315, 5576778, 9294630, 13941945, 27883890]

約数ペア:

[(1, 27883890), (2, 13941945), (3, 9294630), (5, 5576778), (6, 4647315), (9, 3098210), (10, 2788389), (15, 1858926), (18, 1549105), (30, 929463), (45, 619642), (90, 309821), (491, 56790), (631, 44190), (982, 28395), (1262, 22095), (1473, 18930), (1893, 14730), (2455, 11358), (2946, 9465), (3155, 8838), (3786, 7365), (4419, 6310), (4910, 5679)]