28908075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 31088085

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 41, 51, 75, 79, 85, 105, 119, 123, 175, 205, 237, 255, 287, 357, 395, 425, 525, 553, 595, 615, 697, 861, 1025, 1185, 1275, 1343, 1435, 1659, 1785, 1975, 2091, 2765, 2975, 3075, 3239, 3485, 4029, 4305, 4879, 5925, 6715, 7175, 8295, 8925, 9401, 9717, 10455, 13825, 14637, 16195, 17425, 20145, 21525, 22673, 24395, 28203, 33575, 41475, 47005, 48585, 52275, 55063, 68019, 73185, 80975, 100725, 113365, 121975, 141015, 165189, 235025, 242925, 275315, 340095, 365925, 385441, 566825, 705075, 825945, 1156323, 1376575, 1700475, 1927205, 4129725, 5781615, 9636025, 28908075]

約数ペア:

[(1, 28908075), (3, 9636025), (5, 5781615), (7, 4129725), (15, 1927205), (17, 1700475), (21, 1376575), (25, 1156323), (35, 825945), (41, 705075), (51, 566825), (75, 385441), (79, 365925), (85, 340095), (105, 275315), (119, 242925), (123, 235025), (175, 165189), (205, 141015), (237, 121975), (255, 113365), (287, 100725), (357, 80975), (395, 73185), (425, 68019), (525, 55063), (553, 52275), (595, 48585), (615, 47005), (697, 41475), (861, 33575), (1025, 28203), (1185, 24395), (1275, 22673), (1343, 21525), (1435, 20145), (1659, 17425), (1785, 16195), (1975, 14637), (2091, 13825), (2765, 10455), (2975, 9717), (3075, 9401), (3239, 8925), (3485, 8295), (4029, 7175), (4305, 6715), (4879, 5925)]