25501995

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 46335744

約数和(自身を除く): 20833749

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 101, 155, 181, 279, 303, 465, 505, 543, 905, 909, 1395, 1515, 1629, 2715, 3131, 4545, 5611, 8145, 9393, 15655, 16833, 18281, 28055, 28179, 46965, 50499, 54843, 84165, 91405, 140895, 164529, 252495, 274215, 566711, 822645, 1700133, 2833555, 5100399, 8500665, 25501995]

約数ペア:

[(1, 25501995), (3, 8500665), (5, 5100399), (9, 2833555), (15, 1700133), (31, 822645), (45, 566711), (93, 274215), (101, 252495), (155, 164529), (181, 140895), (279, 91405), (303, 84165), (465, 54843), (505, 50499), (543, 46965), (905, 28179), (909, 28055), (1395, 18281), (1515, 16833), (1629, 15655), (2715, 9393), (3131, 8145), (4545, 5611)]