172707375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 301916160

約数和(自身を除く): 129208785

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 125, 141, 205, 235, 239, 375, 615, 705, 717, 1025, 1175, 1195, 1927, 3075, 3525, 3585, 5125, 5781, 5875, 5975, 9635, 9799, 11233, 15375, 17625, 17925, 28905, 29397, 29875, 33699, 48175, 48995, 56165, 89625, 144525, 146985, 168495, 240875, 244975, 280825, 460553, 722625, 734925, 842475, 1224875, 1381659, 1404125, 2302765, 3674625, 4212375, 6908295, 11513825, 34541475, 57569125, 172707375]

約数ペア:

[(1, 172707375), (3, 57569125), (5, 34541475), (15, 11513825), (25, 6908295), (41, 4212375), (47, 3674625), (75, 2302765), (123, 1404125), (125, 1381659), (141, 1224875), (205, 842475), (235, 734925), (239, 722625), (375, 460553), (615, 280825), (705, 244975), (717, 240875), (1025, 168495), (1175, 146985), (1195, 144525), (1927, 89625), (3075, 56165), (3525, 48995), (3585, 48175), (5125, 33699), (5781, 29875), (5875, 29397), (5975, 28905), (9635, 17925), (9799, 17625), (11233, 15375)]