31363395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 61440000

約数和(自身を除く): 30076605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 79, 95, 105, 133, 199, 237, 285, 395, 399, 553, 597, 665, 995, 1185, 1393, 1501, 1659, 1995, 2765, 2985, 3781, 4179, 4503, 6965, 7505, 8295, 10507, 11343, 15721, 18905, 20895, 22515, 26467, 31521, 47163, 52535, 56715, 78605, 79401, 110047, 132335, 157605, 235815, 298699, 330141, 397005, 550235, 896097, 1493495, 1650705, 2090893, 4480485, 6272679, 10454465, 31363395]

約数ペア:

[(1, 31363395), (3, 10454465), (5, 6272679), (7, 4480485), (15, 2090893), (19, 1650705), (21, 1493495), (35, 896097), (57, 550235), (79, 397005), (95, 330141), (105, 298699), (133, 235815), (199, 157605), (237, 132335), (285, 110047), (395, 79401), (399, 78605), (553, 56715), (597, 52535), (665, 47163), (995, 31521), (1185, 26467), (1393, 22515), (1501, 20895), (1659, 18905), (1995, 15721), (2765, 11343), (2985, 10507), (3781, 8295), (4179, 7505), (4503, 6965)]