30805257

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 20159223

約数列:

[1, 3, 7, 21, 23, 47, 59, 69, 141, 161, 177, 329, 413, 483, 529, 987, 1081, 1239, 1357, 1587, 2773, 3243, 3703, 4071, 7567, 8319, 9499, 11109, 19411, 22701, 24863, 28497, 31211, 58233, 63779, 74589, 93633, 174041, 191337, 218477, 446453, 522123, 655431, 1339359, 1466917, 4400751, 10268419, 30805257]

約数ペア:

[(1, 30805257), (3, 10268419), (7, 4400751), (21, 1466917), (23, 1339359), (47, 655431), (59, 522123), (69, 446453), (141, 218477), (161, 191337), (177, 174041), (329, 93633), (413, 74589), (483, 63779), (529, 58233), (987, 31211), (1081, 28497), (1239, 24863), (1357, 22701), (1587, 19411), (2773, 11109), (3243, 9499), (3703, 8319), (4071, 7567)]