156880017

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 288237600

約数和(自身を除く): 131357583

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 79, 133, 147, 171, 189, 237, 399, 441, 513, 553, 711, 931, 1197, 1323, 1501, 1659, 2133, 2793, 3591, 3871, 4503, 4977, 6241, 8379, 10507, 11613, 13509, 14931, 18723, 25137, 31521, 34839, 40527, 43687, 56169, 73549, 94563, 104517, 118579, 131061, 168507, 220647, 283689, 305809, 355737, 393183, 661941, 830053, 917427, 1067211, 1179549, 1985823, 2490159, 2752281, 3201633, 5810371, 7470477, 8256843, 17431113, 22411431, 52293339, 156880017]

約数ペア:

[(1, 156880017), (3, 52293339), (7, 22411431), (9, 17431113), (19, 8256843), (21, 7470477), (27, 5810371), (49, 3201633), (57, 2752281), (63, 2490159), (79, 1985823), (133, 1179549), (147, 1067211), (171, 917427), (189, 830053), (237, 661941), (399, 393183), (441, 355737), (513, 305809), (553, 283689), (711, 220647), (931, 168507), (1197, 131061), (1323, 118579), (1501, 104517), (1659, 94563), (2133, 73549), (2793, 56169), (3591, 43687), (3871, 40527), (4503, 34839), (4977, 31521), (6241, 25137), (8379, 18723), (10507, 14931), (11613, 13509)]