2161565001

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1097}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 3541708800

約数和(自身を除く): 1380143799

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 167, 171, 207, 437, 501, 513, 621, 1097, 1311, 1503, 3173, 3291, 3841, 3933, 4509, 9519, 9873, 11523, 11799, 20843, 25231, 28557, 29619, 34569, 62529, 72979, 75693, 85671, 103707, 183199, 187587, 218937, 227079, 479389, 549597, 562761, 656811, 681237, 1438167, 1648791, 1970433, 3480781, 4213577, 4314501, 4946373, 10442343, 12640731, 12943503, 31327029, 37922193, 80057963, 93981087, 113766579, 240173889, 720521667, 2161565001]

約数ペア:

[(1, 2161565001), (3, 720521667), (9, 240173889), (19, 113766579), (23, 93981087), (27, 80057963), (57, 37922193), (69, 31327029), (167, 12943503), (171, 12640731), (207, 10442343), (437, 4946373), (501, 4314501), (513, 4213577), (621, 3480781), (1097, 1970433), (1311, 1648791), (1503, 1438167), (3173, 681237), (3291, 656811), (3841, 562761), (3933, 549597), (4509, 479389), (9519, 227079), (9873, 218937), (11523, 187587), (11799, 183199), (20843, 103707), (25231, 85671), (28557, 75693), (29619, 72979), (34569, 62529)]