2605005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 5010096

約数和(自身を除く): 2405091

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 73, 117, 183, 195, 219, 305, 365, 549, 585, 657, 793, 915, 949, 1095, 2379, 2745, 2847, 3285, 3965, 4453, 4745, 7137, 8541, 11895, 13359, 14235, 22265, 35685, 40077, 42705, 57889, 66795, 173667, 200385, 289445, 521001, 868335, 2605005]

約数ペア:

[(1, 2605005), (3, 868335), (5, 521001), (9, 289445), (13, 200385), (15, 173667), (39, 66795), (45, 57889), (61, 42705), (65, 40077), (73, 35685), (117, 22265), (183, 14235), (195, 13359), (219, 11895), (305, 8541), (365, 7137), (549, 4745), (585, 4453), (657, 3965), (793, 3285), (915, 2847), (949, 2745), (1095, 2379)]