74288781

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 129153024

約数和(自身を除く): 54864243

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 167, 207, 307, 483, 501, 921, 1169, 1449, 1503, 2149, 2763, 3507, 3841, 6447, 7061, 10521, 11523, 19341, 21183, 26887, 34569, 49427, 51269, 63549, 80661, 148281, 153807, 241983, 358883, 444843, 461421, 1076649, 1179187, 3229947, 3537561, 8254309, 10612683, 24762927, 74288781]

約数ペア:

[(1, 74288781), (3, 24762927), (7, 10612683), (9, 8254309), (21, 3537561), (23, 3229947), (63, 1179187), (69, 1076649), (161, 461421), (167, 444843), (207, 358883), (307, 241983), (483, 153807), (501, 148281), (921, 80661), (1169, 63549), (1449, 51269), (1503, 49427), (2149, 34569), (2763, 26887), (3507, 21183), (3841, 19341), (6447, 11523), (7061, 10521)]