28789215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 60673536

約数和(自身を除く): 31884321

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 49, 65, 69, 91, 105, 115, 131, 147, 161, 195, 245, 273, 299, 345, 393, 455, 483, 637, 655, 735, 805, 897, 917, 1127, 1365, 1495, 1703, 1911, 1965, 2093, 2415, 2751, 3013, 3185, 3381, 4485, 4585, 5109, 5635, 6279, 6419, 8515, 9039, 9555, 10465, 11921, 13755, 14651, 15065, 16905, 19257, 21091, 25545, 31395, 32095, 35763, 39169, 43953, 45195, 59605, 63273, 73255, 83447, 96285, 105455, 117507, 147637, 178815, 195845, 219765, 250341, 274183, 316365, 417235, 442911, 587535, 738185, 822549, 1251705, 1370915, 1919281, 2214555, 4112745, 5757843, 9596405, 28789215]

約数ペア:

[(1, 28789215), (3, 9596405), (5, 5757843), (7, 4112745), (13, 2214555), (15, 1919281), (21, 1370915), (23, 1251705), (35, 822549), (39, 738185), (49, 587535), (65, 442911), (69, 417235), (91, 316365), (105, 274183), (115, 250341), (131, 219765), (147, 195845), (161, 178815), (195, 147637), (245, 117507), (273, 105455), (299, 96285), (345, 83447), (393, 73255), (455, 63273), (483, 59605), (637, 45195), (655, 43953), (735, 39169), (805, 35763), (897, 32095), (917, 31395), (1127, 25545), (1365, 21091), (1495, 19257), (1703, 16905), (1911, 15065), (1965, 14651), (2093, 13755), (2415, 11921), (2751, 10465), (3013, 9555), (3185, 9039), (3381, 8515), (4485, 6419), (4585, 6279), (5109, 5635)]