1520253885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{74687}}^1$

素因数の和:74777

約数の個数: 32

約数和(自身を含む): 2581217280

約数和(自身を除く): 1060963395

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6785, 20355, 74687, 224061, 373435, 1120305, 1717801, 4406533, 5153403, 8589005, 13219599, 22032665, 25767015, 66097995, 101350259, 304050777, 506751295, 1520253885]

約数ペア:

[(1, 1520253885), (3, 506751295), (5, 304050777), (15, 101350259), (23, 66097995), (59, 25767015), (69, 22032665), (115, 13219599), (177, 8589005), (295, 5153403), (345, 4406533), (885, 1717801), (1357, 1120305), (4071, 373435), (6785, 224061), (20355, 74687)]