38748915

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 34241805

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 47, 93, 135, 141, 155, 197, 235, 279, 423, 465, 591, 705, 837, 985, 1269, 1395, 1457, 1773, 2115, 2955, 4185, 4371, 5319, 6107, 6345, 7285, 8865, 9259, 13113, 18321, 21855, 26595, 27777, 30535, 39339, 46295, 54963, 65565, 83331, 91605, 138885, 164889, 196695, 249993, 274815, 287029, 416655, 824445, 861087, 1249965, 1435145, 2583261, 4305435, 7749783, 12916305, 38748915]

約数ペア:

[(1, 38748915), (3, 12916305), (5, 7749783), (9, 4305435), (15, 2583261), (27, 1435145), (31, 1249965), (45, 861087), (47, 824445), (93, 416655), (135, 287029), (141, 274815), (155, 249993), (197, 196695), (235, 164889), (279, 138885), (423, 91605), (465, 83331), (591, 65565), (705, 54963), (837, 46295), (985, 39339), (1269, 30535), (1395, 27777), (1457, 26595), (1773, 21855), (2115, 18321), (2955, 13113), (4185, 9259), (4371, 8865), (5319, 7285), (6107, 6345)]