201597921

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^2$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 348199488

約数和(自身を除く): 146601567

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 373, 483, 1119, 1449, 2611, 3357, 7833, 8579, 23499, 25737, 60053, 77211, 139129, 180159, 417387, 540477, 973903, 1252161, 2921709, 3199967, 8765127, 9599901, 22399769, 28799703, 67199307, 201597921]

約数ペア:

[(1, 201597921), (3, 67199307), (7, 28799703), (9, 22399769), (21, 9599901), (23, 8765127), (63, 3199967), (69, 2921709), (161, 1252161), (207, 973903), (373, 540477), (483, 417387), (1119, 180159), (1449, 139129), (2611, 77211), (3357, 60053), (7833, 25737), (8579, 23499)]