12981006

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 30369600

約数和(自身を除く): 17388594

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 73, 74, 89, 111, 146, 178, 219, 222, 267, 333, 438, 534, 657, 666, 801, 999, 1314, 1602, 1971, 1998, 2403, 2701, 3293, 3942, 4806, 5402, 6497, 6586, 8103, 9879, 12994, 16206, 19491, 19758, 24309, 29637, 38982, 48618, 58473, 59274, 72927, 88911, 116946, 145854, 175419, 177822, 240389, 350838, 480778, 721167, 1442334, 2163501, 4327002, 6490503, 12981006]

約数ペア:

[(1, 12981006), (2, 6490503), (3, 4327002), (6, 2163501), (9, 1442334), (18, 721167), (27, 480778), (37, 350838), (54, 240389), (73, 177822), (74, 175419), (89, 145854), (111, 116946), (146, 88911), (178, 72927), (219, 59274), (222, 58473), (267, 48618), (333, 38982), (438, 29637), (534, 24309), (657, 19758), (666, 19491), (801, 16206), (999, 12994), (1314, 9879), (1602, 8103), (1971, 6586), (1998, 6497), (2403, 5402), (2701, 4806), (3293, 3942)]