71331375

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 125483904

約数和(自身を除く): 54152529

約数列:

[1, 3, 5, 15, 25, 37, 53, 75, 97, 111, 125, 159, 185, 265, 291, 375, 485, 555, 795, 925, 1325, 1455, 1961, 2425, 2775, 3589, 3975, 4625, 5141, 5883, 6625, 7275, 9805, 10767, 12125, 13875, 15423, 17945, 19875, 25705, 29415, 36375, 49025, 53835, 77115, 89725, 128525, 147075, 190217, 245125, 269175, 385575, 448625, 570651, 642625, 735375, 951085, 1345875, 1927875, 2853255, 4755425, 14266275, 23777125, 71331375]

約数ペア:

[(1, 71331375), (3, 23777125), (5, 14266275), (15, 4755425), (25, 2853255), (37, 1927875), (53, 1345875), (75, 951085), (97, 735375), (111, 642625), (125, 570651), (159, 448625), (185, 385575), (265, 269175), (291, 245125), (375, 190217), (485, 147075), (555, 128525), (795, 89725), (925, 77115), (1325, 53835), (1455, 49025), (1961, 36375), (2425, 29415), (2775, 25705), (3589, 19875), (3975, 17945), (4625, 15423), (5141, 13875), (5883, 12125), (6625, 10767), (7275, 9805)]