81613545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 151732224

約数和(自身を除く): 70118679

約数列:

[1, 3, 5, 13, 15, 23, 31, 39, 65, 69, 93, 115, 155, 195, 299, 345, 403, 465, 587, 713, 897, 1209, 1495, 1761, 2015, 2139, 2935, 3565, 4485, 6045, 7631, 8805, 9269, 10695, 13501, 18197, 22893, 27807, 38155, 40503, 46345, 54591, 67505, 90985, 114465, 139035, 175513, 202515, 236561, 272955, 418531, 526539, 709683, 877565, 1182805, 1255593, 2092655, 2632695, 3548415, 5440903, 6277965, 16322709, 27204515, 81613545]

約数ペア:

[(1, 81613545), (3, 27204515), (5, 16322709), (13, 6277965), (15, 5440903), (23, 3548415), (31, 2632695), (39, 2092655), (65, 1255593), (69, 1182805), (93, 877565), (115, 709683), (155, 526539), (195, 418531), (299, 272955), (345, 236561), (403, 202515), (465, 175513), (587, 139035), (713, 114465), (897, 90985), (1209, 67505), (1495, 54591), (1761, 46345), (2015, 40503), (2139, 38155), (2935, 27807), (3565, 22893), (4485, 18197), (6045, 13501), (7631, 10695), (8805, 9269)]