78147657

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 137884032

約数和(自身を除く): 59736375

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 153, 357, 393, 557, 917, 1071, 1179, 1671, 2227, 2751, 3899, 5013, 6681, 8253, 9469, 11697, 15589, 20043, 28407, 35091, 46767, 66283, 72967, 85221, 140301, 198849, 218901, 510769, 596547, 656703, 1240439, 1532307, 3721317, 4596921, 8683073, 11163951, 26049219, 78147657]

約数ペア:

[(1, 78147657), (3, 26049219), (7, 11163951), (9, 8683073), (17, 4596921), (21, 3721317), (51, 1532307), (63, 1240439), (119, 656703), (131, 596547), (153, 510769), (357, 218901), (393, 198849), (557, 140301), (917, 85221), (1071, 72967), (1179, 66283), (1671, 46767), (2227, 35091), (2751, 28407), (3899, 20043), (5013, 15589), (6681, 11697), (8253, 9469)]