18159351

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 12177417

約数列:

[1, 3, 7, 21, 23, 41, 49, 69, 123, 131, 147, 161, 287, 393, 483, 861, 917, 943, 1127, 2009, 2751, 2829, 3013, 3381, 5371, 6027, 6419, 6601, 9039, 16113, 19257, 19803, 21091, 37597, 46207, 63273, 112791, 123533, 138621, 147637, 263179, 370599, 442911, 789537, 864731, 2594193, 6053117, 18159351]

約数ペア:

[(1, 18159351), (3, 6053117), (7, 2594193), (21, 864731), (23, 789537), (41, 442911), (49, 370599), (69, 263179), (123, 147637), (131, 138621), (147, 123533), (161, 112791), (287, 63273), (393, 46207), (483, 37597), (861, 21091), (917, 19803), (943, 19257), (1127, 16113), (2009, 9039), (2751, 6601), (2829, 6419), (3013, 6027), (3381, 5371)]