1388985003

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 2451556800

約数和(自身を除く): 1062571797

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 149, 189, 287, 369, 401, 447, 567, 861, 1043, 1107, 1203, 1341, 2583, 2807, 3129, 3321, 3609, 4023, 6109, 7749, 8421, 9387, 10827, 12069, 16441, 18327, 23247, 25263, 28161, 32481, 42763, 49323, 54981, 59749, 75789, 84483, 115087, 128289, 147969, 164943, 179247, 227367, 345261, 384867, 418243, 443907, 494829, 537741, 1035783, 1154601, 1254729, 1331721, 1613223, 2449709, 3107349, 3463803, 3764187, 4839669, 7349127, 9322047, 11292561, 17147963, 22047381, 33877683, 51443889, 66142143, 154331667, 198426429, 462995001, 1388985003]

約数ペア:

[(1, 1388985003), (3, 462995001), (7, 198426429), (9, 154331667), (21, 66142143), (27, 51443889), (41, 33877683), (63, 22047381), (81, 17147963), (123, 11292561), (149, 9322047), (189, 7349127), (287, 4839669), (369, 3764187), (401, 3463803), (447, 3107349), (567, 2449709), (861, 1613223), (1043, 1331721), (1107, 1254729), (1203, 1154601), (1341, 1035783), (2583, 537741), (2807, 494829), (3129, 443907), (3321, 418243), (3609, 384867), (4023, 345261), (6109, 227367), (7749, 179247), (8421, 164943), (9387, 147969), (10827, 128289), (12069, 115087), (16441, 84483), (18327, 75789), (23247, 59749), (25263, 54981), (28161, 49323), (32481, 42763)]