61973289

素因数分解:

$3^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 107889600

約数和(自身を除く): 45916311

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 139, 147, 189, 337, 417, 441, 973, 1011, 1251, 1323, 2359, 2919, 3033, 3753, 6811, 7077, 8757, 9099, 16513, 20433, 21231, 26271, 46843, 49539, 61299, 63693, 140529, 148617, 183897, 327901, 421587, 445851, 983703, 1264761, 2295307, 2951109, 6885921, 8853327, 20657763, 61973289]

約数ペア:

[(1, 61973289), (3, 20657763), (7, 8853327), (9, 6885921), (21, 2951109), (27, 2295307), (49, 1264761), (63, 983703), (139, 445851), (147, 421587), (189, 327901), (337, 183897), (417, 148617), (441, 140529), (973, 63693), (1011, 61299), (1251, 49539), (1323, 46843), (2359, 26271), (2919, 21231), (3033, 20433), (3753, 16513), (6811, 9099), (7077, 8757)]