217640913

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 336322560

約数和(自身を除く): 118681647

約数列:

[1, 3, 7, 21, 167, 229, 271, 501, 687, 813, 1169, 1603, 1897, 3507, 4809, 5691, 38243, 45257, 62059, 114729, 135771, 186177, 267701, 316799, 434413, 803103, 950397, 1303239, 10363853, 31091559, 72546971, 217640913]

約数ペア:

[(1, 217640913), (3, 72546971), (7, 31091559), (21, 10363853), (167, 1303239), (229, 950397), (271, 803103), (501, 434413), (687, 316799), (813, 267701), (1169, 186177), (1603, 135771), (1897, 114729), (3507, 62059), (4809, 45257), (5691, 38243)]