18912563325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{15797}}^1$

素因数の和:16143

約数の個数: 72

約数和(自身を含む): 35983989288

約数和(自身を除く): 17071425963

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 313, 425, 765, 939, 1275, 1565, 2817, 3825, 4695, 5321, 7825, 14085, 15797, 15963, 23475, 26605, 47391, 47889, 70425, 78985, 79815, 133025, 142173, 236955, 239445, 268549, 394925, 399075, 710865, 805647, 1184775, 1197225, 1342745, 2416941, 3554325, 4028235, 4944461, 6713725, 12084705, 14833383, 20141175, 24722305, 44500149, 60423525, 74166915, 84055837, 123611525, 222500745, 252167511, 370834575, 420279185, 756502533, 1112503725, 1260837555, 2101395925, 3782512665, 6304187775, 18912563325]

約数ペア:

[(1, 18912563325), (3, 6304187775), (5, 3782512665), (9, 2101395925), (15, 1260837555), (17, 1112503725), (25, 756502533), (45, 420279185), (51, 370834575), (75, 252167511), (85, 222500745), (153, 123611525), (225, 84055837), (255, 74166915), (313, 60423525), (425, 44500149), (765, 24722305), (939, 20141175), (1275, 14833383), (1565, 12084705), (2817, 6713725), (3825, 4944461), (4695, 4028235), (5321, 3554325), (7825, 2416941), (14085, 1342745), (15797, 1197225), (15963, 1184775), (23475, 805647), (26605, 710865), (47391, 399075), (47889, 394925), (70425, 268549), (78985, 239445), (79815, 236955), (133025, 142173)]