19947375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 43804800

約数和(自身を除く): 23857425

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 125, 149, 153, 175, 225, 255, 315, 357, 375, 425, 447, 525, 595, 745, 765, 875, 1043, 1071, 1125, 1275, 1341, 1575, 1785, 2125, 2235, 2533, 2625, 2975, 3129, 3725, 3825, 5215, 5355, 6375, 6705, 7599, 7875, 8925, 9387, 11175, 12665, 14875, 15645, 17731, 18625, 19125, 22797, 26075, 26775, 33525, 37995, 44625, 46935, 53193, 55875, 63325, 78225, 88655, 113985, 130375, 133875, 159579, 167625, 189975, 234675, 265965, 316625, 391125, 443275, 569925, 797895, 949875, 1173375, 1329825, 2216375, 2849625, 3989475, 6649125, 19947375]

約数ペア:

[(1, 19947375), (3, 6649125), (5, 3989475), (7, 2849625), (9, 2216375), (15, 1329825), (17, 1173375), (21, 949875), (25, 797895), (35, 569925), (45, 443275), (51, 391125), (63, 316625), (75, 265965), (85, 234675), (105, 189975), (119, 167625), (125, 159579), (149, 133875), (153, 130375), (175, 113985), (225, 88655), (255, 78225), (315, 63325), (357, 55875), (375, 53193), (425, 46935), (447, 44625), (525, 37995), (595, 33525), (745, 26775), (765, 26075), (875, 22797), (1043, 19125), (1071, 18625), (1125, 17731), (1275, 15645), (1341, 14875), (1575, 12665), (1785, 11175), (2125, 9387), (2235, 8925), (2533, 7875), (2625, 7599), (2975, 6705), (3129, 6375), (3725, 5355), (3825, 5215)]