2017575

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{61}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 4382160

約数和(自身を除く): 2364585

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 61, 63, 75, 105, 135, 147, 175, 183, 189, 225, 245, 305, 315, 427, 441, 525, 549, 675, 735, 915, 945, 1225, 1281, 1323, 1525, 1575, 1647, 2135, 2205, 2745, 2989, 3675, 3843, 4575, 4725, 6405, 6615, 8235, 8967, 10675, 11025, 11529, 13725, 14945, 19215, 26901, 32025, 33075, 41175, 44835, 57645, 74725, 80703, 96075, 134505, 224175, 288225, 403515, 672525, 2017575]

約数ペア:

[(1, 2017575), (3, 672525), (5, 403515), (7, 288225), (9, 224175), (15, 134505), (21, 96075), (25, 80703), (27, 74725), (35, 57645), (45, 44835), (49, 41175), (61, 33075), (63, 32025), (75, 26901), (105, 19215), (135, 14945), (147, 13725), (175, 11529), (183, 11025), (189, 10675), (225, 8967), (245, 8235), (305, 6615), (315, 6405), (427, 4725), (441, 4575), (525, 3843), (549, 3675), (675, 2989), (735, 2745), (915, 2205), (945, 2135), (1225, 1647), (1281, 1575), (1323, 1525)]