18262179

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 56

約数和(自身を含む): 30848832

約数和(自身を除く): 12586653

約数列:

[1, 3, 9, 13, 27, 39, 41, 47, 81, 117, 123, 141, 243, 351, 369, 423, 533, 611, 729, 1053, 1107, 1269, 1599, 1833, 1927, 3159, 3321, 3807, 4797, 5499, 5781, 9477, 9963, 11421, 14391, 16497, 17343, 25051, 29889, 34263, 43173, 49491, 52029, 75153, 129519, 148473, 156087, 225459, 388557, 445419, 468261, 676377, 1404783, 2029131, 6087393, 18262179]

約数ペア:

[(1, 18262179), (3, 6087393), (9, 2029131), (13, 1404783), (27, 676377), (39, 468261), (41, 445419), (47, 388557), (81, 225459), (117, 156087), (123, 148473), (141, 129519), (243, 75153), (351, 52029), (369, 49491), (423, 43173), (533, 34263), (611, 29889), (729, 25051), (1053, 17343), (1107, 16497), (1269, 14391), (1599, 11421), (1833, 9963), (1927, 9477), (3159, 5781), (3321, 5499), (3807, 4797)]