208961025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1851

約数の個数: 96

約数和(自身を含む): 450471168

約数和(自身を除く): 241510143

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 175, 195, 221, 255, 273, 325, 357, 425, 455, 525, 595, 663, 975, 1105, 1275, 1365, 1547, 1785, 1801, 2275, 2975, 3315, 4641, 5403, 5525, 6825, 7735, 8925, 9005, 12607, 16575, 23205, 23413, 27015, 30617, 37821, 38675, 45025, 63035, 70239, 91851, 116025, 117065, 135075, 153085, 163891, 189105, 214319, 315175, 351195, 398021, 459255, 491673, 585325, 642957, 765425, 819455, 945525, 1071595, 1194063, 1755975, 1990105, 2296275, 2458365, 2786147, 3214785, 4097275, 5357975, 5970315, 8358441, 9950525, 12291825, 13930735, 16073925, 29851575, 41792205, 69653675, 208961025]

約数ペア:

[(1, 208961025), (3, 69653675), (5, 41792205), (7, 29851575), (13, 16073925), (15, 13930735), (17, 12291825), (21, 9950525), (25, 8358441), (35, 5970315), (39, 5357975), (51, 4097275), (65, 3214785), (75, 2786147), (85, 2458365), (91, 2296275), (105, 1990105), (119, 1755975), (175, 1194063), (195, 1071595), (221, 945525), (255, 819455), (273, 765425), (325, 642957), (357, 585325), (425, 491673), (455, 459255), (525, 398021), (595, 351195), (663, 315175), (975, 214319), (1105, 189105), (1275, 163891), (1365, 153085), (1547, 135075), (1785, 117065), (1801, 116025), (2275, 91851), (2975, 70239), (3315, 63035), (4641, 45025), (5403, 38675), (5525, 37821), (6825, 30617), (7735, 27015), (8925, 23413), (9005, 23205), (12607, 16575)]