390195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 396045

約数列:

[1, 3, 5, 9, 13, 15, 23, 29, 39, 45, 65, 69, 87, 115, 117, 145, 195, 207, 261, 299, 345, 377, 435, 585, 667, 897, 1035, 1131, 1305, 1495, 1885, 2001, 2691, 3335, 3393, 4485, 5655, 6003, 8671, 10005, 13455, 16965, 26013, 30015, 43355, 78039, 130065, 390195]

約数ペア:

[(1, 390195), (3, 130065), (5, 78039), (9, 43355), (13, 30015), (15, 26013), (23, 16965), (29, 13455), (39, 10005), (45, 8671), (65, 6003), (69, 5655), (87, 4485), (115, 3393), (117, 3335), (145, 2691), (195, 2001), (207, 1885), (261, 1495), (299, 1305), (345, 1131), (377, 1035), (435, 897), (585, 667)]