193221405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19429}}^1$

素因数の和:19470

約数の個数: 48

約数和(自身を含む): 381916080

約数和(自身を除く): 188694675

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 19429, 58287, 97145, 174861, 252577, 291435, 330293, 757731, 874305, 990879, 1262885, 1651465, 2273193, 2972637, 3788655, 4293809, 4954395, 11365965, 12881427, 14863185, 21469045, 38644281, 64407135, 193221405]

約数ペア:

[(1, 193221405), (3, 64407135), (5, 38644281), (9, 21469045), (13, 14863185), (15, 12881427), (17, 11365965), (39, 4954395), (45, 4293809), (51, 3788655), (65, 2972637), (85, 2273193), (117, 1651465), (153, 1262885), (195, 990879), (221, 874305), (255, 757731), (585, 330293), (663, 291435), (765, 252577), (1105, 174861), (1989, 97145), (3315, 58287), (9945, 19429)]