388535823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 628948320

約数和(自身を除く): 240412497

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 307, 373, 377, 921, 1119, 1131, 2763, 3357, 3393, 3991, 4849, 8903, 10817, 11973, 14547, 26709, 32451, 35919, 43641, 80127, 97353, 114511, 115739, 140621, 343533, 347217, 421863, 1030599, 1041651, 1265589, 1488643, 3320819, 4465929, 9962457, 13397787, 29887371, 43170647, 129511941, 388535823]

約数ペア:

[(1, 388535823), (3, 129511941), (9, 43170647), (13, 29887371), (29, 13397787), (39, 9962457), (87, 4465929), (117, 3320819), (261, 1488643), (307, 1265589), (373, 1041651), (377, 1030599), (921, 421863), (1119, 347217), (1131, 343533), (2763, 140621), (3357, 115739), (3393, 114511), (3991, 97353), (4849, 80127), (8903, 43641), (10817, 35919), (11973, 32451), (14547, 26709)]