29978055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 25620345

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 149, 153, 255, 263, 447, 745, 765, 789, 1315, 1341, 2235, 2367, 2533, 3945, 4471, 6705, 7599, 11835, 12665, 13413, 22355, 22797, 37995, 39187, 40239, 67065, 113985, 117561, 195935, 201195, 352683, 587805, 666179, 1763415, 1998537, 3330895, 5995611, 9992685, 29978055]

約数ペア:

[(1, 29978055), (3, 9992685), (5, 5995611), (9, 3330895), (15, 1998537), (17, 1763415), (45, 666179), (51, 587805), (85, 352683), (149, 201195), (153, 195935), (255, 117561), (263, 113985), (447, 67065), (745, 40239), (765, 39187), (789, 37995), (1315, 22797), (1341, 22355), (2235, 13413), (2367, 12665), (2533, 11835), (3945, 7599), (4471, 6705)]