78491907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 142571520

約数和(自身を除く): 64079613

約数列:

[1, 3, 9, 13, 17, 19, 31, 39, 51, 57, 67, 93, 117, 153, 171, 201, 221, 247, 279, 323, 403, 527, 589, 603, 663, 741, 871, 969, 1139, 1209, 1273, 1581, 1767, 1989, 2077, 2223, 2613, 2907, 3417, 3627, 3819, 4199, 4743, 5301, 6231, 6851, 7657, 7839, 10013, 10251, 11457, 12597, 14807, 16549, 18693, 20553, 21641, 22971, 27001, 30039, 35309, 37791, 39463, 44421, 49647, 61659, 64923, 68913, 81003, 90117, 105927, 118389, 130169, 133263, 148941, 194769, 243009, 281333, 317781, 355167, 390507, 459017, 513019, 670871, 843999, 1171521, 1377051, 1539057, 2012613, 2531997, 4131153, 4617171, 6037839, 8721323, 26163969, 78491907]

約数ペア:

[(1, 78491907), (3, 26163969), (9, 8721323), (13, 6037839), (17, 4617171), (19, 4131153), (31, 2531997), (39, 2012613), (51, 1539057), (57, 1377051), (67, 1171521), (93, 843999), (117, 670871), (153, 513019), (171, 459017), (201, 390507), (221, 355167), (247, 317781), (279, 281333), (323, 243009), (403, 194769), (527, 148941), (589, 133263), (603, 130169), (663, 118389), (741, 105927), (871, 90117), (969, 81003), (1139, 68913), (1209, 64923), (1273, 61659), (1581, 49647), (1767, 44421), (1989, 39463), (2077, 37791), (2223, 35309), (2613, 30039), (2907, 27001), (3417, 22971), (3627, 21641), (3819, 20553), (4199, 18693), (4743, 16549), (5301, 14807), (6231, 12597), (6851, 11457), (7657, 10251), (7839, 10013)]