157601979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 252439200

約数和(自身を除く): 94837221

約数列:

[1, 3, 9, 19, 29, 57, 61, 87, 171, 183, 261, 521, 549, 551, 1159, 1563, 1653, 1769, 3477, 4689, 4959, 5307, 9899, 10431, 15109, 15921, 29697, 31781, 33611, 45327, 89091, 95343, 100833, 135981, 286029, 287071, 302499, 603839, 861213, 921649, 1811517, 2583639, 2764947, 5434551, 8294841, 17511331, 52533993, 157601979]

約数ペア:

[(1, 157601979), (3, 52533993), (9, 17511331), (19, 8294841), (29, 5434551), (57, 2764947), (61, 2583639), (87, 1811517), (171, 921649), (183, 861213), (261, 603839), (521, 302499), (549, 287071), (551, 286029), (1159, 135981), (1563, 100833), (1653, 95343), (1769, 89091), (3477, 45327), (4689, 33611), (4959, 31781), (5307, 29697), (9899, 15921), (10431, 15109)]