161285175

素因数分解:

$3^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 303313920

約数和(自身を除く): 142028745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 139, 191, 225, 243, 405, 417, 573, 675, 695, 955, 1215, 1251, 1719, 2025, 2085, 2865, 3475, 3753, 4775, 5157, 6075, 6255, 8595, 10425, 11259, 14325, 15471, 18765, 25785, 26549, 31275, 33777, 42975, 46413, 56295, 77355, 79647, 93825, 128925, 132745, 168885, 232065, 238941, 281475, 386775, 398235, 663725, 716823, 844425, 1160325, 1194705, 1991175, 2150469, 3584115, 5973525, 6451407, 10752345, 17920575, 32257035, 53761725, 161285175]

約数ペア:

[(1, 161285175), (3, 53761725), (5, 32257035), (9, 17920575), (15, 10752345), (25, 6451407), (27, 5973525), (45, 3584115), (75, 2150469), (81, 1991175), (135, 1194705), (139, 1160325), (191, 844425), (225, 716823), (243, 663725), (405, 398235), (417, 386775), (573, 281475), (675, 238941), (695, 232065), (955, 168885), (1215, 132745), (1251, 128925), (1719, 93825), (2025, 79647), (2085, 77355), (2865, 56295), (3475, 46413), (3753, 42975), (4775, 33777), (5157, 31275), (6075, 26549), (6255, 25785), (8595, 18765), (10425, 15471), (11259, 14325)]