2011005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3818880

約数和(自身を除く): 1807875

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 67, 69, 87, 115, 145, 201, 207, 261, 335, 345, 435, 603, 667, 1005, 1035, 1305, 1541, 1943, 2001, 3015, 3335, 4623, 5829, 6003, 7705, 9715, 10005, 13869, 17487, 23115, 29145, 30015, 44689, 69345, 87435, 134067, 223445, 402201, 670335, 2011005]

約数ペア:

[(1, 2011005), (3, 670335), (5, 402201), (9, 223445), (15, 134067), (23, 87435), (29, 69345), (45, 44689), (67, 30015), (69, 29145), (87, 23115), (115, 17487), (145, 13869), (201, 10005), (207, 9715), (261, 7705), (335, 6003), (345, 5829), (435, 4623), (603, 3335), (667, 3015), (1005, 2001), (1035, 1943), (1305, 1541)]