17972085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 12364683

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 461, 565, 1383, 1695, 2305, 2599, 6915, 7797, 10603, 12995, 31809, 38985, 52093, 53015, 156279, 159045, 260465, 781395, 1198139, 3594417, 5990695, 17972085]

約数ペア:

[(1, 17972085), (3, 5990695), (5, 3594417), (15, 1198139), (23, 781395), (69, 260465), (113, 159045), (115, 156279), (339, 53015), (345, 52093), (461, 38985), (565, 31809), (1383, 12995), (1695, 10603), (2305, 7797), (2599, 6915)]