2115225

素因数分解:

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

素因数の和:119

約数の個数: 72

約数和(自身を含む): 4642560

約数和(自身を除く): 2527335

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 79, 85, 105, 119, 153, 175, 225, 237, 255, 315, 357, 395, 425, 525, 553, 595, 711, 765, 1071, 1185, 1275, 1343, 1575, 1659, 1785, 1975, 2765, 2975, 3555, 3825, 4029, 4977, 5355, 5925, 6715, 8295, 8925, 9401, 12087, 13825, 17775, 20145, 24885, 26775, 28203, 33575, 41475, 47005, 60435, 84609, 100725, 124425, 141015, 235025, 302175, 423045, 705075, 2115225]

約数ペア:

[(1, 2115225), (3, 705075), (5, 423045), (7, 302175), (9, 235025), (15, 141015), (17, 124425), (21, 100725), (25, 84609), (35, 60435), (45, 47005), (51, 41475), (63, 33575), (75, 28203), (79, 26775), (85, 24885), (105, 20145), (119, 17775), (153, 13825), (175, 12087), (225, 9401), (237, 8925), (255, 8295), (315, 6715), (357, 5925), (395, 5355), (425, 4977), (525, 4029), (553, 3825), (595, 3555), (711, 2975), (765, 2765), (1071, 1975), (1185, 1785), (1275, 1659), (1343, 1575)]