123189195

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 213700608

約数和(自身を除く): 90511413

約数列:

[1, 3, 5, 15, 31, 43, 61, 93, 101, 129, 155, 183, 215, 303, 305, 465, 505, 645, 915, 1333, 1515, 1891, 2623, 3131, 3999, 4343, 5673, 6161, 6665, 7869, 9393, 9455, 13029, 13115, 15655, 18483, 19995, 21715, 28365, 30805, 39345, 46965, 65145, 81313, 92415, 134633, 190991, 243939, 264923, 403899, 406565, 572973, 673165, 794769, 954955, 1219695, 1324615, 2019495, 2864865, 3973845, 8212613, 24637839, 41063065, 123189195]

約数ペア:

[(1, 123189195), (3, 41063065), (5, 24637839), (15, 8212613), (31, 3973845), (43, 2864865), (61, 2019495), (93, 1324615), (101, 1219695), (129, 954955), (155, 794769), (183, 673165), (215, 572973), (303, 406565), (305, 403899), (465, 264923), (505, 243939), (645, 190991), (915, 134633), (1333, 92415), (1515, 81313), (1891, 65145), (2623, 46965), (3131, 39345), (3999, 30805), (4343, 28365), (5673, 21715), (6161, 19995), (6665, 18483), (7869, 15655), (9393, 13115), (9455, 13029)]