156780393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1049}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 104493207

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 647, 1049, 1941, 3147, 4529, 7117, 7343, 11539, 13587, 21351, 22029, 34617, 49819, 80773, 149457, 242319, 678703, 2036109, 4750921, 7465733, 14252763, 22397199, 52260131, 156780393]

約数ペア:

[(1, 156780393), (3, 52260131), (7, 22397199), (11, 14252763), (21, 7465733), (33, 4750921), (77, 2036109), (231, 678703), (647, 242319), (1049, 149457), (1941, 80773), (3147, 49819), (4529, 34617), (7117, 22029), (7343, 21351), (11539, 13587)]