23545725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 46648800

約数和(自身を除く): 23103075

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 149, 175, 215, 245, 301, 447, 525, 645, 735, 745, 903, 1043, 1075, 1225, 1505, 2107, 2235, 3129, 3225, 3675, 3725, 4515, 5215, 6321, 6407, 7301, 7525, 10535, 11175, 15645, 19221, 21903, 22575, 26075, 31605, 32035, 36505, 44849, 52675, 78225, 96105, 109515, 134547, 158025, 160175, 182525, 224245, 313943, 480525, 547575, 672735, 941829, 1121225, 1569715, 3363675, 4709145, 7848575, 23545725]

約数ペア:

[(1, 23545725), (3, 7848575), (5, 4709145), (7, 3363675), (15, 1569715), (21, 1121225), (25, 941829), (35, 672735), (43, 547575), (49, 480525), (75, 313943), (105, 224245), (129, 182525), (147, 160175), (149, 158025), (175, 134547), (215, 109515), (245, 96105), (301, 78225), (447, 52675), (525, 44849), (645, 36505), (735, 32035), (745, 31605), (903, 26075), (1043, 22575), (1075, 21903), (1225, 19221), (1505, 15645), (2107, 11175), (2235, 10535), (3129, 7525), (3225, 7301), (3675, 6407), (3725, 6321), (4515, 5215)]