289552305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{145139}}^1$

素因数の和:145173

約数の個数: 32

約数和(自身を含む): 557337600

約数和(自身を除く): 267785295

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 145139, 435417, 725695, 1015973, 2177085, 2757641, 3047919, 5079865, 8272923, 13788205, 15239595, 19303487, 41364615, 57910461, 96517435, 289552305]

約数ペア:

[(1, 289552305), (3, 96517435), (5, 57910461), (7, 41364615), (15, 19303487), (19, 15239595), (21, 13788205), (35, 8272923), (57, 5079865), (95, 3047919), (105, 2757641), (133, 2177085), (285, 1015973), (399, 725695), (665, 435417), (1995, 145139)]