16803225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 33426432

約数和(自身を除く): 16623207

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 191, 207, 225, 255, 345, 391, 425, 573, 575, 765, 955, 1035, 1173, 1275, 1719, 1725, 1955, 2865, 3247, 3519, 3825, 4393, 4775, 5175, 5865, 8595, 9741, 9775, 13179, 14325, 16235, 17595, 21965, 29223, 29325, 39537, 42975, 48705, 65895, 74681, 81175, 87975, 109825, 146115, 197685, 224043, 243525, 329475, 373405, 672129, 730575, 988425, 1120215, 1867025, 3360645, 5601075, 16803225]

約数ペア:

[(1, 16803225), (3, 5601075), (5, 3360645), (9, 1867025), (15, 1120215), (17, 988425), (23, 730575), (25, 672129), (45, 373405), (51, 329475), (69, 243525), (75, 224043), (85, 197685), (115, 146115), (153, 109825), (191, 87975), (207, 81175), (225, 74681), (255, 65895), (345, 48705), (391, 42975), (425, 39537), (573, 29325), (575, 29223), (765, 21965), (955, 17595), (1035, 16235), (1173, 14325), (1275, 13179), (1719, 9775), (1725, 9741), (1955, 8595), (2865, 5865), (3247, 5175), (3519, 4775), (3825, 4393)]