161725305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 311205888

約数和(自身を除く): 149480583

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 167, 345, 401, 483, 501, 805, 835, 1169, 1203, 2005, 2415, 2505, 2807, 3507, 3841, 5845, 6015, 8421, 9223, 11523, 14035, 17535, 19205, 26887, 27669, 42105, 46115, 57615, 64561, 66967, 80661, 134435, 138345, 193683, 200901, 322805, 334835, 403305, 468769, 968415, 1004505, 1406307, 1540241, 2343845, 4620723, 7031535, 7701205, 10781687, 23103615, 32345061, 53908435, 161725305]

約数ペア:

[(1, 161725305), (3, 53908435), (5, 32345061), (7, 23103615), (15, 10781687), (21, 7701205), (23, 7031535), (35, 4620723), (69, 2343845), (105, 1540241), (115, 1406307), (161, 1004505), (167, 968415), (345, 468769), (401, 403305), (483, 334835), (501, 322805), (805, 200901), (835, 193683), (1169, 138345), (1203, 134435), (2005, 80661), (2415, 66967), (2505, 64561), (2807, 57615), (3507, 46115), (3841, 42105), (5845, 27669), (6015, 26887), (8421, 19205), (9223, 17535), (11523, 14035)]