13280715

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 28276560

約数和(自身を除く): 14995845

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 317, 399, 441, 665, 735, 855, 931, 951, 1197, 1585, 1995, 2205, 2219, 2793, 2853, 4655, 4755, 5985, 6023, 6657, 8379, 11095, 13965, 14265, 15533, 18069, 19971, 30115, 33285, 41895, 42161, 46599, 54207, 77665, 90345, 99855, 126483, 139797, 210805, 232995, 271035, 295127, 379449, 632415, 698985, 885381, 1475635, 1897245, 2656143, 4426905, 13280715]

約数ペア:

[(1, 13280715), (3, 4426905), (5, 2656143), (7, 1897245), (9, 1475635), (15, 885381), (19, 698985), (21, 632415), (35, 379449), (45, 295127), (49, 271035), (57, 232995), (63, 210805), (95, 139797), (105, 126483), (133, 99855), (147, 90345), (171, 77665), (245, 54207), (285, 46599), (315, 42161), (317, 41895), (399, 33285), (441, 30115), (665, 19971), (735, 18069), (855, 15533), (931, 14265), (951, 13965), (1197, 11095), (1585, 8379), (1995, 6657), (2205, 6023), (2219, 5985), (2793, 4755), (2853, 4655)]