31776225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 59906880

約数和(自身を除く): 28130655

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 109, 115, 169, 195, 299, 325, 327, 345, 507, 545, 575, 845, 897, 975, 1417, 1495, 1635, 1725, 2507, 2535, 2725, 3887, 4225, 4251, 4485, 7085, 7475, 7521, 8175, 11661, 12535, 12675, 18421, 19435, 21255, 22425, 32591, 35425, 37605, 55263, 58305, 62675, 92105, 97175, 97773, 106275, 162955, 188025, 276315, 291525, 423683, 460525, 488865, 814775, 1271049, 1381575, 2118415, 2444325, 6355245, 10592075, 31776225]

約数ペア:

[(1, 31776225), (3, 10592075), (5, 6355245), (13, 2444325), (15, 2118415), (23, 1381575), (25, 1271049), (39, 814775), (65, 488865), (69, 460525), (75, 423683), (109, 291525), (115, 276315), (169, 188025), (195, 162955), (299, 106275), (325, 97773), (327, 97175), (345, 92105), (507, 62675), (545, 58305), (575, 55263), (845, 37605), (897, 35425), (975, 32591), (1417, 22425), (1495, 21255), (1635, 19435), (1725, 18421), (2507, 12675), (2535, 12535), (2725, 11661), (3887, 8175), (4225, 7521), (4251, 7475), (4485, 7085)]