639687645

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 1210740480

約数和(自身を除く): 571052835

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 211, 255, 459, 633, 765, 1055, 1321, 1899, 2295, 3165, 3587, 3963, 5697, 6605, 9495, 10761, 11889, 17935, 19815, 22457, 28485, 32283, 35667, 53805, 59445, 67371, 96849, 112285, 161415, 178335, 202113, 278731, 336855, 484245, 606339, 836193, 1010565, 1393655, 2508579, 3031695, 4180965, 4738427, 7525737, 12542895, 14215281, 23692135, 37628685, 42645843, 71076405, 127937529, 213229215, 639687645]

約数ペア:

[(1, 639687645), (3, 213229215), (5, 127937529), (9, 71076405), (15, 42645843), (17, 37628685), (27, 23692135), (45, 14215281), (51, 12542895), (85, 7525737), (135, 4738427), (153, 4180965), (211, 3031695), (255, 2508579), (459, 1393655), (633, 1010565), (765, 836193), (1055, 606339), (1321, 484245), (1899, 336855), (2295, 278731), (3165, 202113), (3587, 178335), (3963, 161415), (5697, 112285), (6605, 96849), (9495, 67371), (10761, 59445), (11889, 53805), (17935, 35667), (19815, 32283), (22457, 28485)]