120861489

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 199636800

約数和(自身を除く): 78775311

約数列:

[1, 3, 7, 19, 21, 49, 57, 109, 133, 147, 327, 397, 399, 763, 931, 1191, 2071, 2289, 2779, 2793, 5341, 6213, 7543, 8337, 14497, 16023, 19453, 22629, 43273, 43491, 52801, 58359, 101479, 129819, 158403, 302911, 304437, 369607, 822187, 908733, 1108821, 2120377, 2466561, 5755309, 6361131, 17265927, 40287163, 120861489]

約数ペア:

[(1, 120861489), (3, 40287163), (7, 17265927), (19, 6361131), (21, 5755309), (49, 2466561), (57, 2120377), (109, 1108821), (133, 908733), (147, 822187), (327, 369607), (397, 304437), (399, 302911), (763, 158403), (931, 129819), (1191, 101479), (2071, 58359), (2289, 52801), (2779, 43491), (2793, 43273), (5341, 22629), (6213, 19453), (7543, 16023), (8337, 14497)]