311909187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 472469760

約数和(自身を除く): 160560573

約数列:

[1, 3, 19, 23, 53, 57, 67, 69, 159, 201, 437, 1007, 1219, 1273, 1311, 1541, 3021, 3551, 3657, 3819, 4489, 4623, 10653, 13467, 23161, 29279, 67469, 69483, 81673, 85291, 87837, 103247, 202407, 237917, 245019, 255873, 309741, 713751, 1551787, 1961693, 4520423, 4655361, 5472091, 5885079, 13561269, 16416273, 103969729, 311909187]

約数ペア:

[(1, 311909187), (3, 103969729), (19, 16416273), (23, 13561269), (53, 5885079), (57, 5472091), (67, 4655361), (69, 4520423), (159, 1961693), (201, 1551787), (437, 713751), (1007, 309741), (1219, 255873), (1273, 245019), (1311, 237917), (1541, 202407), (3021, 103247), (3551, 87837), (3657, 85291), (3819, 81673), (4489, 69483), (4623, 67469), (10653, 29279), (13467, 23161)]