201756915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 389376000

約数和(自身を除く): 187619085

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 79, 87, 95, 103, 145, 171, 237, 261, 285, 309, 395, 435, 515, 551, 711, 855, 927, 1185, 1305, 1501, 1545, 1653, 1957, 2291, 2755, 2987, 3555, 4503, 4635, 4959, 5871, 6873, 7505, 8137, 8265, 8961, 9785, 11455, 13509, 14935, 17613, 20619, 22515, 24411, 24795, 26883, 29355, 34365, 40685, 43529, 44805, 56753, 67545, 73233, 88065, 103095, 122055, 130587, 134415, 154603, 170259, 217645, 235973, 283765, 366165, 391761, 463809, 510777, 652935, 707919, 773015, 851295, 1179865, 1391427, 1958805, 2123757, 2319045, 2553885, 3539595, 4483487, 6957135, 10618785, 13450461, 22417435, 40351383, 67252305, 201756915]

約数ペア:

[(1, 201756915), (3, 67252305), (5, 40351383), (9, 22417435), (15, 13450461), (19, 10618785), (29, 6957135), (45, 4483487), (57, 3539595), (79, 2553885), (87, 2319045), (95, 2123757), (103, 1958805), (145, 1391427), (171, 1179865), (237, 851295), (261, 773015), (285, 707919), (309, 652935), (395, 510777), (435, 463809), (515, 391761), (551, 366165), (711, 283765), (855, 235973), (927, 217645), (1185, 170259), (1305, 154603), (1501, 134415), (1545, 130587), (1653, 122055), (1957, 103095), (2291, 88065), (2755, 73233), (2987, 67545), (3555, 56753), (4503, 44805), (4635, 43529), (4959, 40685), (5871, 34365), (6873, 29355), (7505, 26883), (8137, 24795), (8265, 24411), (8961, 22515), (9785, 20619), (11455, 17613), (13509, 14935)]