17253985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 7629215

約数列:

[1, 5, 7, 29, 35, 89, 145, 191, 203, 445, 623, 955, 1015, 1337, 2581, 3115, 5539, 6685, 12905, 16999, 18067, 27695, 38773, 84995, 90335, 118993, 193865, 492971, 594965, 2464855, 3450797, 17253985]

約数ペア:

[(1, 17253985), (5, 3450797), (7, 2464855), (29, 594965), (35, 492971), (89, 193865), (145, 118993), (191, 90335), (203, 84995), (445, 38773), (623, 27695), (955, 18067), (1015, 16999), (1337, 12905), (2581, 6685), (3115, 5539)]