40903191

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 72230400

約数和(自身を除く): 31327209

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 719, 903, 1161, 1323, 2107, 2157, 2709, 5033, 6321, 6471, 8127, 15099, 18963, 19413, 30917, 35231, 45297, 56889, 92751, 105693, 135891, 216419, 278253, 317079, 649257, 834759, 951237, 1514933, 1947771, 4544799, 5843313, 13634397, 40903191]

約数ペア:

[(1, 40903191), (3, 13634397), (7, 5843313), (9, 4544799), (21, 1947771), (27, 1514933), (43, 951237), (49, 834759), (63, 649257), (129, 317079), (147, 278253), (189, 216419), (301, 135891), (387, 105693), (441, 92751), (719, 56889), (903, 45297), (1161, 35231), (1323, 30917), (2107, 19413), (2157, 18963), (2709, 15099), (5033, 8127), (6321, 6471)]