30988881

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 25515567

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 97, 99, 231, 291, 461, 679, 693, 873, 1067, 1383, 2037, 3201, 3227, 4149, 5071, 6111, 7469, 9603, 9681, 15213, 22407, 29043, 35497, 44717, 45639, 67221, 106491, 134151, 313019, 319473, 402453, 491887, 939057, 1475661, 2817171, 3443209, 4426983, 10329627, 30988881]

約数ペア:

[(1, 30988881), (3, 10329627), (7, 4426983), (9, 3443209), (11, 2817171), (21, 1475661), (33, 939057), (63, 491887), (77, 402453), (97, 319473), (99, 313019), (231, 134151), (291, 106491), (461, 67221), (679, 45639), (693, 44717), (873, 35497), (1067, 29043), (1383, 22407), (2037, 15213), (3201, 9681), (3227, 9603), (4149, 7469), (5071, 6111)]