31838895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 60787584

約数和(自身を除く): 28948689

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 393, 491, 495, 655, 1179, 1441, 1473, 1965, 2455, 4323, 4419, 5401, 5895, 7205, 7365, 12969, 16203, 21615, 22095, 27005, 48609, 64321, 64845, 81015, 192963, 243045, 321605, 578889, 707531, 964815, 2122593, 2894445, 3537655, 6367779, 10612965, 31838895]

約数ペア:

[(1, 31838895), (3, 10612965), (5, 6367779), (9, 3537655), (11, 2894445), (15, 2122593), (33, 964815), (45, 707531), (55, 578889), (99, 321605), (131, 243045), (165, 192963), (393, 81015), (491, 64845), (495, 64321), (655, 48609), (1179, 27005), (1441, 22095), (1473, 21615), (1965, 16203), (2455, 12969), (4323, 7365), (4419, 7205), (5401, 5895)]