13211175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 23490560

約数和(自身を除く): 10279385

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 127, 219, 285, 365, 381, 475, 635, 1095, 1387, 1425, 1825, 1905, 2413, 3175, 4161, 5475, 6935, 7239, 9271, 9525, 12065, 20805, 27813, 34675, 36195, 46355, 60325, 104025, 139065, 176149, 180975, 231775, 528447, 695325, 880745, 2642235, 4403725, 13211175]

約数ペア:

[(1, 13211175), (3, 4403725), (5, 2642235), (15, 880745), (19, 695325), (25, 528447), (57, 231775), (73, 180975), (75, 176149), (95, 139065), (127, 104025), (219, 60325), (285, 46355), (365, 36195), (381, 34675), (475, 27813), (635, 20805), (1095, 12065), (1387, 9525), (1425, 9271), (1825, 7239), (1905, 6935), (2413, 5475), (3175, 4161)]