16221105

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 29405376

約数和(自身を除く): 13184271

約数列:

[1, 3, 5, 9, 15, 43, 45, 83, 101, 129, 215, 249, 303, 387, 415, 505, 645, 747, 909, 1245, 1515, 1935, 3569, 3735, 4343, 4545, 8383, 10707, 13029, 17845, 21715, 25149, 32121, 39087, 41915, 53535, 65145, 75447, 125745, 160605, 195435, 360469, 377235, 1081407, 1802345, 3244221, 5407035, 16221105]

約数ペア:

[(1, 16221105), (3, 5407035), (5, 3244221), (9, 1802345), (15, 1081407), (43, 377235), (45, 360469), (83, 195435), (101, 160605), (129, 125745), (215, 75447), (249, 65145), (303, 53535), (387, 41915), (415, 39087), (505, 32121), (645, 25149), (747, 21715), (909, 17845), (1245, 13029), (1515, 10707), (1935, 8383), (3569, 4545), (3735, 4343)]