7172895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 12690432

約数和(自身を除く): 5517537

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1223, 1955, 3669, 5865, 6115, 18345, 20791, 28129, 62373, 84387, 103955, 140645, 311865, 421935, 478193, 1434579, 2390965, 7172895]

約数ペア:

[(1, 7172895), (3, 2390965), (5, 1434579), (15, 478193), (17, 421935), (23, 311865), (51, 140645), (69, 103955), (85, 84387), (115, 62373), (255, 28129), (345, 20791), (391, 18345), (1173, 6115), (1223, 5865), (1955, 3669)]