28249533

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 46730880

約数和(自身を除く): 18481347

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 151, 169, 351, 369, 453, 507, 533, 1107, 1359, 1521, 1599, 1963, 4077, 4563, 4797, 5889, 6191, 6929, 14391, 17667, 18573, 20787, 25519, 53001, 55719, 62361, 76557, 80483, 167157, 187083, 229671, 241449, 689013, 724347, 1046279, 2173041, 3138837, 9416511, 28249533]

約数ペア:

[(1, 28249533), (3, 9416511), (9, 3138837), (13, 2173041), (27, 1046279), (39, 724347), (41, 689013), (117, 241449), (123, 229671), (151, 187083), (169, 167157), (351, 80483), (369, 76557), (453, 62361), (507, 55719), (533, 53001), (1107, 25519), (1359, 20787), (1521, 18573), (1599, 17667), (1963, 14391), (4077, 6929), (4563, 6191), (4797, 5889)]