421946205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 763395840

約数和(自身を除く): 341449635

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 73, 85, 95, 219, 255, 285, 323, 365, 969, 1095, 1193, 1241, 1387, 1615, 3579, 3723, 4161, 4845, 5965, 6205, 6935, 17895, 18615, 20281, 20805, 22667, 23579, 60843, 68001, 70737, 87089, 101405, 113335, 117895, 261267, 304215, 340005, 353685, 385339, 435445, 1156017, 1306335, 1480513, 1654691, 1926695, 4441539, 4964073, 5780085, 7402565, 8273455, 22207695, 24820365, 28129747, 84389241, 140648735, 421946205]

約数ペア:

[(1, 421946205), (3, 140648735), (5, 84389241), (15, 28129747), (17, 24820365), (19, 22207695), (51, 8273455), (57, 7402565), (73, 5780085), (85, 4964073), (95, 4441539), (219, 1926695), (255, 1654691), (285, 1480513), (323, 1306335), (365, 1156017), (969, 435445), (1095, 385339), (1193, 353685), (1241, 340005), (1387, 304215), (1615, 261267), (3579, 117895), (3723, 113335), (4161, 101405), (4845, 87089), (5965, 70737), (6205, 68001), (6935, 60843), (17895, 23579), (18615, 22667), (20281, 20805)]