71572905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 60515415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 171, 285, 291, 485, 855, 863, 873, 1455, 1843, 2589, 4315, 4365, 5529, 7767, 9215, 12945, 16397, 16587, 27645, 38835, 49191, 81985, 82935, 83711, 147573, 245955, 251133, 418555, 737865, 753399, 1255665, 1590509, 3766995, 4771527, 7952545, 14314581, 23857635, 71572905]

約数ペア:

[(1, 71572905), (3, 23857635), (5, 14314581), (9, 7952545), (15, 4771527), (19, 3766995), (45, 1590509), (57, 1255665), (95, 753399), (97, 737865), (171, 418555), (285, 251133), (291, 245955), (485, 147573), (855, 83711), (863, 82935), (873, 81985), (1455, 49191), (1843, 38835), (2589, 27645), (4315, 16587), (4365, 16397), (5529, 12945), (7767, 9215)]