19641375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 40884480

約数和(自身を除く): 21243105

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 79, 85, 117, 125, 153, 195, 221, 225, 237, 255, 325, 375, 395, 425, 585, 663, 711, 765, 975, 1027, 1105, 1125, 1185, 1275, 1343, 1625, 1975, 1989, 2125, 2925, 3081, 3315, 3555, 3825, 4029, 4875, 5135, 5525, 5925, 6375, 6715, 9243, 9875, 9945, 12087, 14625, 15405, 16575, 17459, 17775, 19125, 20145, 25675, 27625, 29625, 33575, 46215, 49725, 52377, 60435, 77025, 82875, 87295, 88875, 100725, 128375, 157131, 167875, 231075, 248625, 261885, 302175, 385125, 436475, 503625, 785655, 1155375, 1309425, 1510875, 2182375, 3928275, 6547125, 19641375]

約数ペア:

[(1, 19641375), (3, 6547125), (5, 3928275), (9, 2182375), (13, 1510875), (15, 1309425), (17, 1155375), (25, 785655), (39, 503625), (45, 436475), (51, 385125), (65, 302175), (75, 261885), (79, 248625), (85, 231075), (117, 167875), (125, 157131), (153, 128375), (195, 100725), (221, 88875), (225, 87295), (237, 82875), (255, 77025), (325, 60435), (375, 52377), (395, 49725), (425, 46215), (585, 33575), (663, 29625), (711, 27625), (765, 25675), (975, 20145), (1027, 19125), (1105, 17775), (1125, 17459), (1185, 16575), (1275, 15405), (1343, 14625), (1625, 12087), (1975, 9945), (1989, 9875), (2125, 9243), (2925, 6715), (3081, 6375), (3315, 5925), (3555, 5525), (3825, 5135), (4029, 4875)]