247998465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 96

約数和(自身を含む): 534957696

約数和(自身を除く): 286959231

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 33, 39, 45, 51, 55, 65, 85, 99, 117, 143, 153, 165, 187, 195, 221, 255, 429, 495, 561, 585, 663, 715, 765, 935, 1105, 1287, 1683, 1989, 2145, 2267, 2431, 2805, 3315, 6435, 6801, 7293, 8415, 9945, 11335, 12155, 20403, 21879, 24937, 29471, 34005, 36465, 38539, 74811, 88413, 102015, 109395, 115617, 124685, 147355, 192695, 224433, 265239, 324181, 346851, 374055, 423929, 442065, 501007, 578085, 972543, 1122165, 1271787, 1326195, 1503021, 1620905, 1734255, 2119645, 2505035, 2917629, 3815361, 4509063, 4862715, 5511077, 6358935, 7515105, 14588145, 16533231, 19076805, 22545315, 27555385, 49599693, 82666155, 247998465]

約数ペア:

[(1, 247998465), (3, 82666155), (5, 49599693), (9, 27555385), (11, 22545315), (13, 19076805), (15, 16533231), (17, 14588145), (33, 7515105), (39, 6358935), (45, 5511077), (51, 4862715), (55, 4509063), (65, 3815361), (85, 2917629), (99, 2505035), (117, 2119645), (143, 1734255), (153, 1620905), (165, 1503021), (187, 1326195), (195, 1271787), (221, 1122165), (255, 972543), (429, 578085), (495, 501007), (561, 442065), (585, 423929), (663, 374055), (715, 346851), (765, 324181), (935, 265239), (1105, 224433), (1287, 192695), (1683, 147355), (1989, 124685), (2145, 115617), (2267, 109395), (2431, 102015), (2805, 88413), (3315, 74811), (6435, 38539), (6801, 36465), (7293, 34005), (8415, 29471), (9945, 24937), (11335, 21879), (12155, 20403)]