13081215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12723585

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 79, 83, 95, 105, 133, 237, 249, 285, 395, 399, 415, 553, 581, 665, 1185, 1245, 1501, 1577, 1659, 1743, 1995, 2765, 2905, 4503, 4731, 6557, 7505, 7885, 8295, 8715, 10507, 11039, 19671, 22515, 23655, 31521, 32785, 33117, 45899, 52535, 55195, 98355, 124583, 137697, 157605, 165585, 229495, 373749, 622915, 688485, 872081, 1868745, 2616243, 4360405, 13081215]

約数ペア:

[(1, 13081215), (3, 4360405), (5, 2616243), (7, 1868745), (15, 872081), (19, 688485), (21, 622915), (35, 373749), (57, 229495), (79, 165585), (83, 157605), (95, 137697), (105, 124583), (133, 98355), (237, 55195), (249, 52535), (285, 45899), (395, 33117), (399, 32785), (415, 31521), (553, 23655), (581, 22515), (665, 19671), (1185, 11039), (1245, 10507), (1501, 8715), (1577, 8295), (1659, 7885), (1743, 7505), (1995, 6557), (2765, 4731), (2905, 4503)]