61858155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 50116245

約数列:

[1, 3, 5, 15, 17, 23, 51, 53, 69, 85, 115, 159, 199, 255, 265, 345, 391, 597, 795, 901, 995, 1173, 1219, 1955, 2703, 2985, 3383, 3657, 4505, 4577, 5865, 6095, 10149, 10547, 13515, 13731, 16915, 18285, 20723, 22885, 31641, 50745, 52735, 62169, 68655, 77809, 103615, 158205, 179299, 233427, 242581, 310845, 389045, 537897, 727743, 896495, 1167135, 1212905, 2689485, 3638715, 4123877, 12371631, 20619385, 61858155]

約数ペア:

[(1, 61858155), (3, 20619385), (5, 12371631), (15, 4123877), (17, 3638715), (23, 2689485), (51, 1212905), (53, 1167135), (69, 896495), (85, 727743), (115, 537897), (159, 389045), (199, 310845), (255, 242581), (265, 233427), (345, 179299), (391, 158205), (597, 103615), (795, 77809), (901, 68655), (995, 62169), (1173, 52735), (1219, 50745), (1955, 31641), (2703, 22885), (2985, 20723), (3383, 18285), (3657, 16915), (4505, 13731), (4577, 13515), (5865, 10547), (6095, 10149)]