291947175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 567720608

約数和(自身を除く): 275773433

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 151, 195, 225, 325, 453, 585, 661, 755, 975, 1359, 1963, 1983, 2265, 2925, 3305, 3775, 5889, 5949, 6795, 8593, 9815, 9915, 11325, 16525, 17667, 25779, 29445, 29745, 33975, 42965, 49075, 49575, 77337, 88335, 99811, 128895, 147225, 148725, 214825, 299433, 386685, 441675, 499055, 644475, 898299, 1297543, 1497165, 1933425, 2495275, 3892629, 4491495, 6487715, 7485825, 11677887, 19463145, 22457475, 32438575, 58389435, 97315725, 291947175]

約数ペア:

[(1, 291947175), (3, 97315725), (5, 58389435), (9, 32438575), (13, 22457475), (15, 19463145), (25, 11677887), (39, 7485825), (45, 6487715), (65, 4491495), (75, 3892629), (117, 2495275), (151, 1933425), (195, 1497165), (225, 1297543), (325, 898299), (453, 644475), (585, 499055), (661, 441675), (755, 386685), (975, 299433), (1359, 214825), (1963, 148725), (1983, 147225), (2265, 128895), (2925, 99811), (3305, 88335), (3775, 77337), (5889, 49575), (5949, 49075), (6795, 42965), (8593, 33975), (9815, 29745), (9915, 29445), (11325, 25779), (16525, 17667)]