2131065

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 1912455

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 71, 87, 115, 145, 207, 213, 261, 345, 355, 435, 639, 667, 1035, 1065, 1305, 1633, 2001, 2059, 3195, 3335, 4899, 6003, 6177, 8165, 10005, 10295, 14697, 18531, 24495, 30015, 30885, 47357, 73485, 92655, 142071, 236785, 426213, 710355, 2131065]

約数ペア:

[(1, 2131065), (3, 710355), (5, 426213), (9, 236785), (15, 142071), (23, 92655), (29, 73485), (45, 47357), (69, 30885), (71, 30015), (87, 24495), (115, 18531), (145, 14697), (207, 10295), (213, 10005), (261, 8165), (345, 6177), (355, 6003), (435, 4899), (639, 3335), (667, 3195), (1035, 2059), (1065, 2001), (1305, 1633)]