201920535

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 357005376

約数和(自身を除く): 155084841

約数列:

[1, 3, 5, 9, 15, 45, 97, 167, 277, 291, 485, 501, 831, 835, 873, 1385, 1455, 1503, 2493, 2505, 4155, 4365, 7515, 12465, 16199, 26869, 46259, 48597, 80607, 80995, 134345, 138777, 145791, 231295, 241821, 242985, 403035, 416331, 693885, 728955, 1209105, 2081655, 4487123, 13461369, 22435615, 40384107, 67306845, 201920535]

約数ペア:

[(1, 201920535), (3, 67306845), (5, 40384107), (9, 22435615), (15, 13461369), (45, 4487123), (97, 2081655), (167, 1209105), (277, 728955), (291, 693885), (485, 416331), (501, 403035), (831, 242985), (835, 241821), (873, 231295), (1385, 145791), (1455, 138777), (1503, 134345), (2493, 80995), (2505, 80607), (4155, 48597), (4365, 46259), (7515, 26869), (12465, 16199)]