189997005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 345692160

約数和(自身を除く): 155695155

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 61, 129, 165, 183, 215, 305, 439, 473, 645, 671, 915, 1317, 1419, 2013, 2195, 2365, 2623, 3355, 4829, 6585, 7095, 7869, 10065, 13115, 14487, 18877, 24145, 26779, 28853, 39345, 56631, 72435, 80337, 86559, 94385, 133895, 144265, 207647, 283155, 294569, 401685, 432795, 622941, 883707, 1038235, 1151497, 1472845, 3114705, 3454491, 4418535, 5757485, 12666467, 17272455, 37999401, 63332335, 189997005]

約数ペア:

[(1, 189997005), (3, 63332335), (5, 37999401), (11, 17272455), (15, 12666467), (33, 5757485), (43, 4418535), (55, 3454491), (61, 3114705), (129, 1472845), (165, 1151497), (183, 1038235), (215, 883707), (305, 622941), (439, 432795), (473, 401685), (645, 294569), (671, 283155), (915, 207647), (1317, 144265), (1419, 133895), (2013, 94385), (2195, 86559), (2365, 80337), (2623, 72435), (3355, 56631), (4829, 39345), (6585, 28853), (7095, 26779), (7869, 24145), (10065, 18877), (13115, 14487)]