27968115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 54982656

約数和(自身を除く): 27014541

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 37, 69, 105, 111, 115, 161, 185, 259, 313, 345, 483, 555, 777, 805, 851, 939, 1295, 1565, 2191, 2415, 2553, 3885, 4255, 4695, 5957, 6573, 7199, 10955, 11581, 12765, 17871, 21597, 29785, 32865, 34743, 35995, 50393, 57905, 81067, 89355, 107985, 151179, 173715, 243201, 251965, 266363, 405335, 755895, 799089, 1216005, 1331815, 1864541, 3995445, 5593623, 9322705, 27968115]

約数ペア:

[(1, 27968115), (3, 9322705), (5, 5593623), (7, 3995445), (15, 1864541), (21, 1331815), (23, 1216005), (35, 799089), (37, 755895), (69, 405335), (105, 266363), (111, 251965), (115, 243201), (161, 173715), (185, 151179), (259, 107985), (313, 89355), (345, 81067), (483, 57905), (555, 50393), (777, 35995), (805, 34743), (851, 32865), (939, 29785), (1295, 21597), (1565, 17871), (2191, 12765), (2415, 11581), (2553, 10955), (3885, 7199), (4255, 6573), (4695, 5957)]