31945221

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 59424768

約数和(自身を除く): 27479547

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1487, 1953, 2387, 3069, 4461, 7161, 10409, 13383, 16357, 21483, 31227, 46097, 49071, 93681, 114499, 138291, 147213, 322679, 343497, 414873, 507067, 968037, 1030491, 1521201, 2904111, 3549469, 4563603, 10648407, 31945221]

約数ペア:

[(1, 31945221), (3, 10648407), (7, 4563603), (9, 3549469), (11, 2904111), (21, 1521201), (31, 1030491), (33, 968037), (63, 507067), (77, 414873), (93, 343497), (99, 322679), (217, 147213), (231, 138291), (279, 114499), (341, 93681), (651, 49071), (693, 46097), (1023, 31227), (1487, 21483), (1953, 16357), (2387, 13383), (3069, 10409), (4461, 7161)]