27989838

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 63338496

約数和(自身を除く): 35348658

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 487, 558, 618, 927, 974, 1461, 1854, 2922, 3193, 4383, 6386, 8766, 9579, 15097, 19158, 28737, 30194, 45291, 50161, 57474, 90582, 100322, 135873, 150483, 271746, 300966, 451449, 902898, 1554991, 3109982, 4664973, 9329946, 13994919, 27989838]

約数ペア:

[(1, 27989838), (2, 13994919), (3, 9329946), (6, 4664973), (9, 3109982), (18, 1554991), (31, 902898), (62, 451449), (93, 300966), (103, 271746), (186, 150483), (206, 135873), (279, 100322), (309, 90582), (487, 57474), (558, 50161), (618, 45291), (927, 30194), (974, 28737), (1461, 19158), (1854, 15097), (2922, 9579), (3193, 8766), (4383, 6386)]