2038365

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{719}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 4181760

約数和(自身を除く): 2143395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 719, 945, 2157, 2835, 3595, 5033, 6471, 10785, 15099, 19413, 25165, 32355, 45297, 58239, 75495, 97065, 135891, 226485, 291195, 407673, 679455, 2038365]

約数ペア:

[(1, 2038365), (3, 679455), (5, 407673), (7, 291195), (9, 226485), (15, 135891), (21, 97065), (27, 75495), (35, 58239), (45, 45297), (63, 32355), (81, 25165), (105, 19413), (135, 15099), (189, 10785), (315, 6471), (405, 5033), (567, 3595), (719, 2835), (945, 2157)]