15828225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 31381920

約数和(自身を除く): 15553695

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 59, 73, 75, 105, 147, 175, 177, 219, 245, 295, 365, 413, 511, 525, 735, 885, 1095, 1225, 1239, 1475, 1533, 1825, 2065, 2555, 2891, 3577, 3675, 4307, 4425, 5475, 6195, 7665, 8673, 10325, 10731, 12775, 12921, 14455, 17885, 21535, 30149, 30975, 38325, 43365, 53655, 64605, 72275, 89425, 90447, 107675, 150745, 211043, 216825, 268275, 323025, 452235, 633129, 753725, 1055215, 2261175, 3165645, 5276075, 15828225]

約数ペア:

[(1, 15828225), (3, 5276075), (5, 3165645), (7, 2261175), (15, 1055215), (21, 753725), (25, 633129), (35, 452235), (49, 323025), (59, 268275), (73, 216825), (75, 211043), (105, 150745), (147, 107675), (175, 90447), (177, 89425), (219, 72275), (245, 64605), (295, 53655), (365, 43365), (413, 38325), (511, 30975), (525, 30149), (735, 21535), (885, 17885), (1095, 14455), (1225, 12921), (1239, 12775), (1475, 10731), (1533, 10325), (1825, 8673), (2065, 7665), (2555, 6195), (2891, 5475), (3577, 4425), (3675, 4307)]