27990655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 17628545

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 77, 109, 115, 145, 161, 203, 253, 319, 385, 545, 667, 763, 805, 1015, 1199, 1265, 1595, 1771, 2233, 2507, 3161, 3335, 3815, 4669, 5995, 7337, 8393, 8855, 11165, 12535, 15805, 17549, 22127, 23345, 27577, 34771, 36685, 41965, 51359, 72703, 87745, 110635, 137885, 173855, 193039, 243397, 256795, 363515, 508921, 799733, 965195, 1216985, 2544605, 3998665, 5598131, 27990655]

約数ペア:

[(1, 27990655), (5, 5598131), (7, 3998665), (11, 2544605), (23, 1216985), (29, 965195), (35, 799733), (55, 508921), (77, 363515), (109, 256795), (115, 243397), (145, 193039), (161, 173855), (203, 137885), (253, 110635), (319, 87745), (385, 72703), (545, 51359), (667, 41965), (763, 36685), (805, 34771), (1015, 27577), (1199, 23345), (1265, 22127), (1595, 17549), (1771, 15805), (2233, 12535), (2507, 11165), (3161, 8855), (3335, 8393), (3815, 7337), (4669, 5995)]