201521607

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 339542016

約数和(自身を除く): 138020409

約数列:

[1, 3, 7, 21, 23, 31, 43, 69, 93, 129, 161, 217, 301, 313, 483, 651, 713, 903, 939, 989, 1333, 2139, 2191, 2967, 3999, 4991, 6573, 6923, 7199, 9331, 9703, 13459, 14973, 20769, 21597, 27993, 29109, 30659, 40377, 50393, 67921, 91977, 94213, 151179, 203763, 214613, 223169, 282639, 309557, 417229, 643839, 669507, 928671, 1251687, 1562183, 2166899, 2920603, 4686549, 6500697, 8761809, 9596267, 28788801, 67173869, 201521607]

約数ペア:

[(1, 201521607), (3, 67173869), (7, 28788801), (21, 9596267), (23, 8761809), (31, 6500697), (43, 4686549), (69, 2920603), (93, 2166899), (129, 1562183), (161, 1251687), (217, 928671), (301, 669507), (313, 643839), (483, 417229), (651, 309557), (713, 282639), (903, 223169), (939, 214613), (989, 203763), (1333, 151179), (2139, 94213), (2191, 91977), (2967, 67921), (3999, 50393), (4991, 40377), (6573, 30659), (6923, 29109), (7199, 27993), (9331, 21597), (9703, 20769), (13459, 14973)]