406937307

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 667875840

約数和(自身を除く): 260938533

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 367, 397, 399, 931, 1101, 1191, 2569, 2779, 2793, 6973, 7543, 7707, 8337, 17983, 19453, 20919, 22629, 48811, 52801, 53949, 58359, 145699, 146433, 158403, 341677, 369607, 437097, 1019893, 1025031, 1108821, 2768281, 3059679, 7139251, 8304843, 19377967, 21417753, 58133901, 135645769, 406937307]

約数ペア:

[(1, 406937307), (3, 135645769), (7, 58133901), (19, 21417753), (21, 19377967), (49, 8304843), (57, 7139251), (133, 3059679), (147, 2768281), (367, 1108821), (397, 1025031), (399, 1019893), (931, 437097), (1101, 369607), (1191, 341677), (2569, 158403), (2779, 146433), (2793, 145699), (6973, 58359), (7543, 53949), (7707, 52801), (8337, 48811), (17983, 22629), (19453, 20919)]