161773125

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 285658560

約数和(自身を除く): 123885435

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 239, 285, 361, 375, 475, 625, 717, 1083, 1195, 1425, 1805, 1875, 2375, 3585, 4541, 5415, 5975, 7125, 9025, 11875, 13623, 17925, 22705, 27075, 29875, 35625, 45125, 68115, 86279, 89625, 113525, 135375, 149375, 225625, 258837, 340575, 431395, 448125, 567625, 676875, 1294185, 1702875, 2156975, 2838125, 6470925, 8514375, 10784875, 32354625, 53924375, 161773125]

約数ペア:

[(1, 161773125), (3, 53924375), (5, 32354625), (15, 10784875), (19, 8514375), (25, 6470925), (57, 2838125), (75, 2156975), (95, 1702875), (125, 1294185), (239, 676875), (285, 567625), (361, 448125), (375, 431395), (475, 340575), (625, 258837), (717, 225625), (1083, 149375), (1195, 135375), (1425, 113525), (1805, 89625), (1875, 86279), (2375, 68115), (3585, 45125), (4541, 35625), (5415, 29875), (5975, 27075), (7125, 22705), (9025, 17925), (11875, 13623)]