157400313

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 266649600

約数和(自身を除く): 109249287

約数列:

[1, 3, 7, 19, 21, 29, 57, 61, 87, 133, 183, 203, 223, 399, 427, 551, 609, 669, 1159, 1281, 1561, 1653, 1769, 3477, 3857, 4237, 4683, 5307, 6467, 8113, 11571, 12383, 12711, 13603, 19401, 24339, 29659, 33611, 37149, 40809, 45269, 88977, 95221, 100833, 122873, 135807, 235277, 258457, 285663, 368619, 394487, 705831, 775371, 860111, 1183461, 1809199, 2580333, 2761409, 5427597, 7495253, 8284227, 22485759, 52466771, 157400313]

約数ペア:

[(1, 157400313), (3, 52466771), (7, 22485759), (19, 8284227), (21, 7495253), (29, 5427597), (57, 2761409), (61, 2580333), (87, 1809199), (133, 1183461), (183, 860111), (203, 775371), (223, 705831), (399, 394487), (427, 368619), (551, 285663), (609, 258457), (669, 235277), (1159, 135807), (1281, 122873), (1561, 100833), (1653, 95221), (1769, 88977), (3477, 45269), (3857, 40809), (4237, 37149), (4683, 33611), (5307, 29659), (6467, 24339), (8113, 19401), (11571, 13603), (12383, 12711)]