215239815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{953}}^1$

素因数の和:1213

約数の個数: 64

約数和(自身を含む): 439603200

約数和(自身を除く): 224363385

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 239, 315, 717, 945, 953, 1195, 1673, 2151, 2859, 3585, 4765, 5019, 6453, 6671, 8365, 8577, 10755, 14295, 15057, 20013, 25095, 25731, 32265, 33355, 42885, 45171, 60039, 75285, 100065, 128655, 180117, 225855, 227767, 300195, 683301, 900585, 1138835, 1594369, 2049903, 3416505, 4783107, 6149709, 7971845, 10249515, 14349321, 23915535, 30748545, 43047963, 71746605, 215239815]

約数ペア:

[(1, 215239815), (3, 71746605), (5, 43047963), (7, 30748545), (9, 23915535), (15, 14349321), (21, 10249515), (27, 7971845), (35, 6149709), (45, 4783107), (63, 3416505), (105, 2049903), (135, 1594369), (189, 1138835), (239, 900585), (315, 683301), (717, 300195), (945, 227767), (953, 225855), (1195, 180117), (1673, 128655), (2151, 100065), (2859, 75285), (3585, 60039), (4765, 45171), (5019, 42885), (6453, 33355), (6671, 32265), (8365, 25731), (8577, 25095), (10755, 20013), (14295, 15057)]