11970975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 21561120

約数和(自身を除く): 9590145

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 229, 255, 425, 615, 687, 697, 1025, 1145, 1275, 2091, 3075, 3435, 3485, 3893, 5725, 9389, 10455, 11679, 17175, 17425, 19465, 28167, 46945, 52275, 58395, 97325, 140835, 159613, 234725, 291975, 478839, 704175, 798065, 2394195, 3990325, 11970975]

約数ペア:

[(1, 11970975), (3, 3990325), (5, 2394195), (15, 798065), (17, 704175), (25, 478839), (41, 291975), (51, 234725), (75, 159613), (85, 140835), (123, 97325), (205, 58395), (229, 52275), (255, 46945), (425, 28167), (615, 19465), (687, 17425), (697, 17175), (1025, 11679), (1145, 10455), (1275, 9389), (2091, 5725), (3075, 3893), (3435, 3485)]